What side is the products

Answer:

Forensic scientists have used fingerprints in criminal investigations as a means of identification for centuries. Fingerprint identification is one of the most important criminal investigation tools due to two features: their persistence and their uniqueness. A person's fingerprints do not change over time.

Explanation:

Answer:

1. is B 2. is C or B

Explanation:

Answer:

The water will be boiling

Explanation:

When water reaches 100⁰C the water will be boiling.

Answer:

just click any of the buttons

Answer:

23535

Explanation:

ugggguguygiugiugugiyuuigiuyiugy

Answer:

(σ2s)2(σ2s*)2(σ2p)2(π2p)4(π2p*)2(π2p*)1

Explanation:

In writing molecular orbital configuration, the number of valence electrons involved in the molecule are all written into  various molecular orbitals in accordance with the Aufbau principle.

O2^- contains 17 electrons. Its molecular orbital configuration is KK(σ2s)2(σ2s*)2(σ2p)2(π2p)4(π2p*)2(π2p*)1. Recall that the inner (σ1s)2 and (σ1s*)2 is designated as KK. This inner shell does not take part in bonding. The bond order in O2^-  is 1.5.

The ground state electron configuration of O2- is Choice C: (σ2s)2(σ2s*)2(σ2p)2(π2p)3(π2p*)2(π2p*)2

Discussion:

The molecular orbital configuration is dependent on the number of electrons involved in the molecule.

These are all written into various molecular orbitals as described in the Aufbau principle of electron configuration.

Since O2 contains 16 electrons, when it gains an electron to become O2-;

O2^- contains 17 electrons.

Its molecular orbital configuration is;

It is noteworthy to remember that the inner (σ1s)2 and (σ1s*)2 are represented as KK. This inner shell does not take part in bonding.

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Answer:

They are both solids

Explanation:

I had to answer that question a long time ago hope this helps.

Answer:

a mineral ore containing copper and tin

Answer:

Copper-tin alloy

Explanation:

just took the test :D

Answer:

Formula we will be using:

(i) ,

where

Final quantity

Initial quantity

t=time ( same unit as that of half-life)

n=half-life

-------------------------------------------------------------

Given,

Final quantity ==0.100g

Initial quantity==0.750g

Time= t(unknown)

Half-life=n=3.823 days

Plug in the above values in the formula:

Divide both sides by 0.750:

Taking natural long on both sides:

Applying

Dividing both sides by ln(0.5):

Multiplying both sides by 3.823:

11.113=t

t=11.113

It would take 11.113 days

Answer : 11.113 days

Explanation:

The energy of a photon : 7.645 x 10⁻³⁴ J

Radiation energy is absorbed by photons

The energy in one photon can be formulated as

[tex]\large{\boxed{\bold{E\:=\:h\:.\:f}}}[/tex]

Where

h = Planck's constant (6,626.10⁻³⁴ Js)

f = Frequency of electromagnetic waves

f = c / λ , Hz

c = speed of light

= 3.10⁸  m/s

λ = wavelength ,m

wavelength λ of 2.60 ✕ 10⁻⁸ m

The energy :

[tex]\tt E=h.\dfrac{c}{\lambda}\\\\E=6.626.10^{-34}\times \dfrac{3\times 10^8}{2.6\times 10^{-8}}\\\\E=7.645\times 10^{-34}~J[/tex]

Answer:

i dont XD

Explanation:

Answer:

no

Explanation:

Answer:

The answer is burning of wood

Explanation:

just took the quiz

Answer:

its d

Explanation:

Model D shows a neutral atom of carbon as it has 6 protons in the nucleus and 6 electrons in it's orbits.

An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.

The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.

Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.

Learn more about atom,here:

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#SPJ2

Explanation:

what is the question jjsjmwujjduwhfjd

Answer:

Volume is a physical property of an object

One unit of volume is the milliliter

Liquids and solids have constant volumes

Explanation:

Answer:

1

Explanation:

Answer:

See explanation

Explanation:

Substitution implies that one thing is repalced by the other.

Substitution of one ion by another largely depends on the sizes of the ions in question.

The ionic radius of Mn3+ is about 0.65 Angstroms while that of In3+ is about 0.94 Angstroms. On the other hand, the ionic radius of Y3+ is about 1.032 Angstroms.

It is clear that the sizes of Mn3+ and In3+ are closer to each other hence Mn3+ can substitute for In3+ easily than Y3+ in a lattice site.

The larger size of Y3+ explains why it is not easily replaced by Mn3+.

Answer:Thicker wires have a larger cross-section that increases the surface area with which electrons can flow unimpeded.

Explanation:I really do not know

Answer:

Fluorine. This element has the greatest electronegativity value, so has the greatest attraction to electrons in a bond.

Explanation:

The atom of element with the strongest attraction for electrons in a chemical

bond from the options is Chlorine.

The element with the strongest attraction for electrons in a chemical bond is

the most electronegative element.

The electronegativity of an atom is the tendency of an atom to attract

bonding pairs of electrons.

Generally, electronegativity of an element increases across the period. The

electronegativity of an element also decreases down the group. The most

electronegative element is fluorine.

Halogen group are naturally electronegative.

Therefore, the most electronegative element in the option is chlorine and its

the element that has the strongest attraction for electrons in a chemical

bond.

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Answer:

acceleration(a)=2m/s²

Explanation:

initial velocity(u)=0m/s

final velocity (v)=20m/s

time taken (t)=10sec

now

v=u+at

20=0+a*10

a=2m/s²

Answer:

weathered rock and deceomposed material

Explanation:

Answer:

6.02×10 to be tge power 23

Answer:

radical dudes

Explanation:

Answer:

relating to or affecting the fundamental nature of something; far-reaching or thorough.

Explanation:

Answer: i can understand it sorry

Explanation:

Answer:I believe it forced convections

Explanation:convection is the circular motion that happens when warmer air or liquid makes something less dense.

Answer:

how y'all doinnn

Explanation:

byyeee

Answer: chain reaction there will be no carbon and animals who eat plants will die off

Explanation:

Answer: Option C is correct

A polar molecule with nonpolar bonds

Explanation:

A polar molecule with nonpolar bonds cannot be polar because a polar molecule has net dipole that it has one end slightly positive and the other end slightly negative which allows the distribution of atoms .

Therefore it cannot have non polar bonds because non polar bonds allow electrons to be shared equally and it take place between non elemental substances or substances that are not elements , it cannot occur in elemental substances because these substances have different electronegativities which can be held by polar bonds alone.

Answer:

The correct answer is C. A polar molecule with nonpolar bonds

Explanation:

Polarity is the property of a molecule of having a dipole moment. Based on this, a molecule can be polar -with dipole moment- o nonpolar. The polarity of a molecule is determined by:

- the presence of elements with differences in electronegativity which results in polar bonds.

- geometry of the molecule

Polar bonds are vectors and if they are opposite (equal in magnitude with opposite direction) so they are cancelled out. A polar molecule must have polar bonds, buy they can be cancelled out by opposite positions in the molecule geometry. For example, CO₂ (carbon dioxide) has polar bonds C-O because they are composed by elements with different electronegativities, but the molecule is linear so the two bonds C-O are cancelled out and the molecule is nonpolar.

Therefore, from the options, the only non possible scenario is C - a polar molecule with nonpolar bonds - because polar molecules always have polar bonds. The opposite situation can be true: a non polar molecule wiith polar bonds as we saw in the example of CO₂.

Answer:

naf+so2+nho3

Explanation:

beacause sodium is main solution in this equation

Answer:

e) P + O2 → P2O5

balanced equation

4P + 5O2 → 2P2O5

f) NaCl + F2 → NaF + Cl2

balanced equation

2NaCl + F2 → 2NaF + Cl2

g) K + MgBr2 → KBr + Mg

balanced equation

2K +MgBr2 → 2KBr +Mg

h) Mg + O2 → MgO

balanced equation

2Mg + O2 → 2MgO

i) Al + O2 → Al2O3

balanced equation

4Al + 3O2 → 2Al2O3

hope this helps you!