1 year ago

A scientist is raising the temperature of a

Chemistry

1 answer:

Arlecino [84]1 year ago

8 0

Answer:

nothing

Explanation:

Here no result have been found yet..

Therfore we cannot determine which variable is dependent and which is not

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which of the following is a physical change? 1.burning paper 2.grinding wheat 3.electrolysis of water 4.cooking rice

azamat

Answer:

2 grinding of wheat is just a physical change

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4 0

3 years ago

Elements in the same period of the periodic table exhibit similar physical and chemical properties.

Vladimir [108]

Answer:

same valency electrons

Explanation:

example g 1 elements

5 0

3 years ago

Which of the following best explain why argon, which is a noble gas, does not react with other elements. Noble gases ________. A

S_A_V [24]

Answer:

Explanation:

because they have completely filled and stable electron shells. Using you periodic table, it can show you that the noble gases are furthest to the right and explain the way outer shells of electrons work.

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7 0

2 years ago

Choose the molecular compound among the substances listed below.

agasfer [191]

Answer: Among the listed substances $XeCl_{4}$ is the molecular compound.

Explanation:

A chemical compound formed by the chemical combination of two or more non-metals is called a molecular compound or covalent compound.

For example, Xe and Cl are non-metals. The compound formed by them is $XeCl_{4}$ which is a molecular compound.

A molecular compound is formed by sharing of atoms between the combining atoms.

Whereas NaF, $MnCl_{2}$ and CaO are all ionic compounds as they are formed by chemical combination of a metal and a non-metal.

Thus, we can conclude that among the listed substances $XeCl_{4}$ is the molecular compound.

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3 years ago

Shay constructed a scientific model of the carbon cycle. She included plants, animals, industry, fossil fuels, and the atmospher

LenKa [72]

Answer:

no one can answer your question because you have shown no arrows.

3 0

3 years ago