Jamie completes the following steps in an experiment to investigate how temperature affects how fast something will rust in water. He places a nail in a bowl of water in the sun and a nail in a bowl of water in the shade. He also leaves an iron nail out of the water in a dry bag out of the sun. Why would Jamie leave one out of the water and out of the sun?

A Jamie also wants to test if the water affects how fast the iron nail will rust.
B Jamie notices that the size of the nail is different, so he does not want to use it later.
C Jamie doing all these steps to create a control group to compare his results to.
D Jamie puts the nail in a cooler place to see if it will rust as fast as the other items.

Answers

Answer 1

Answer:

Explanation:

Answer 2

C. Jamie doing all these steps to create a control group to compare his results to

Related Questions

Which phrase provides the best definition of a landform region?

A a large area where the topography contains the three main landforms
B the border where two different landforms meet
a large area where the topography is made up of one landform
C a large area where the topography is inconsistent and contains multiple landforms

Answers

Answer:

a large area where the topography is made up of one landform.

A would be your answer

In the 1700s, Isaac Newton determined that the force of gravity between two objects depends on the mass of the objects and distance between them. He reasoned that things fall toward Earth because it has so much mass. Then in the 1900s, Albert Einstein worked with new discoveries, such as the fact that light always travels the same speed, and he determined a new explanation of how and why gravity works. Mass and distance still matter in Einstein’s explanation, but speed also matters. Newton’s explanation still works for objects close to Earth, but Einstein’s explanation works for all of the objects in the universe.

Answers

That is a good explanation good job

A. On the Periodic Table of Elements, columns are called ______________________; all of these
elements
have the same number of ___________________________.
B. On the Periodic Table of Elements, rows are called _____________________; all of these have the same
number of __________________________.

Answers

1. Groups
2. They have the same number of electrons in their outer shell
3. Periods
4. They have the same number of shells

On the Periodic Table of Elements, columns are called groups ,all of these elements have same number of valence electrons and the rows are called periods and have same number of valence shells.

Periodic table is a tabular arrangement of elements in the form of a table. In the periodic table, elements are arranged according to the modern periodic law which states that the properties of elements are a periodic function of their atomic numbers.

It is called as periodic because properties repeat after regular intervals of atomic numbers . It is a tabular arrangement consisting of seven horizontal rows called periods and eighteen vertical columns called groups.

Elements present in the same group have same number of valence electrons and hence have similar properties while elements present in the same period show gradual variation in properties due to addition of one electron for each successive element in a period.

Thus, columns are called groups ,all of these elements have same number of valence electrons and the rows are called periods and have same number of valence shells.

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A student looking for an element that will bond with sodium (Na) knows that table salt is a compound of sodium and chlorine (Cl). Based on this information, which of the following elements would MOST likely bond with sodium?
A.argon (Ar)
B.bromine (Br)
C.calcium (Ca)
D.potassium (K)

Answers

D. Potassium (K), i hope this helps!!

According to the concept of electronic configuration and valency sodium is most likely to bond bromine.

What is electronic configuration?

Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.

Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.

Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.

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An atom of tin has an atomic number of 50 and a mass number of 119. How many protons, electrons, and neutrons are found in one neutral atom of tin?
A.50 protons, 69 electrons, 50 neutrons
B.50 protons, 50 electrons, 69 neutrons
C.69 protons, 50 electrons, 69 neutrons
D.69 protons, 69 electrons, 50 neutrons

Answers

It’s gonna have to be the second one (b)

B 50 protons, 50 electrons, 69 neutrons (cause protons and electrons have the same number and how u get neutrons is that u have to subtract the mass number from the atomic number)

Why were the iron fillings in a water a suspension?

Answers

To display the water

a suspension’s components can be separated

Which statement best describes what happens to protein when a steak is cooked?
A)It denatures and coagulates during cooking.
B)It decreases in size as amino acids are lost.
C)It loses bacteria because they are denatured.
D)It undergoes polymerization to form longer chains.
Pls ill give brainliest

Answers

Answer:

The answer is A

Explanation:

I got it right on Edg

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