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Rus_ich [418]
2 years ago
6

What pattern does the data show

Chemistry
1 answer:
harina [27]2 years ago
8 0

Answer:

I think it is B

Explanation:

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5. You must describe what make the particles in any substance move faster
mafiozo [28]
When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. 
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3 years ago
Express the chemical reaction between hydrogen and oxygen elements for the formation of water in word equation and chemical equa
White raven [17]

Answer:

Two moles of hydrogen gas combine with one mole of oxygen gas to produce two moles of water.

2H_{2} O + O_{2}  -> 2H_{2}O

Explanation:

This is the required amount of each element to synthesize water. The equation has been balanced using coefficients.

7 0
3 years ago
Which statement concerning elements is true? (1) Different elements must have different numbers of isotopes. (2) Different eleme
Lana71 [14]

Answer:

(4) All atoms of a given element must have the same atomic number

Explanation:

Atomic number : It is defined as the number of electrons or number of protons present in a neutral atom.

However, when we talk about the atomic number of the ion, it is not equal to the number of electrons as electron can be gained or loosed.

This is why, more appropriately, the number of the protons which are present in the nucleus of the atom is called the atomic number.

Mass number is the number of the entities present in the nucleus which is the equal to the sum of the number of protons and electrons.

Mass number = Number of protons + Number of neutrons

<u>Thus, atomic number of an element is an unique property of the element and it's atom.</u>

8 0
3 years ago
Which is a true statement about an exterior angle of a triangle?
wolverine [178]

The only true statement about an exterior angle of a triangle from the above is that it forms a linear pair with one of the interior angles of the triangle.

<h3>What is a triangle?</h3>

A triangle can be defined as a one of the plane shapes which has three sides and three angles

So therefore, the only true statement about an exterior angle of a triangle from the above is that it forms a linear pair with one of the interior angles of the triangle.

Learn more about triangles:

brainly.com/question/2217700

#SPJ1

7 0
1 year ago
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madreJ [45]
<span>[Ar]4s23d104p3 is the electron configuration of a(n) __As______ atom.</span>
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3 years ago
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