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Biblioteka

Mod Copy of Isotopes, Ionic Compounds, and Average Atomic Mass (11/26/2023)

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Posljednje ažuriranje about 1 year ago
13
Napomena autora:

You may use your notebooks and any notes/work papers you want to use.

You may use your notebooks and any notes/work papers you want to use.

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Pitanje 1
1.

Different isotopes of the same element have different–

Pitanje 2
2.

An isotope of mercury has 80 protons and 120 neutrons. What is the mass number of this isotope?

Pitanje 3
3.

What property is different in different isotopes of the same element?

Pitanje 4
4.

Element X has 2 naturally occurring isotopes. Its first isotope has an atomic mass of 40.00 amu and a natural abundance of 97.41%. Its second isotope has an atomic mass of 41.10 amu. What is the atomic mass of element X?

Pitanje 5
5.

Which of the following is true about a calcium atom (Ca) and a calcium ion (Ca2+)?

Pitanje 6
6.

Which of the following ions has the largest radius?

Pitanje 7
7.
Pitanje 8
8.

Which of the following shows the correct Lewis Dot structure for fluorine?

Pitanje 9
9.

Which of the following is the correct Lewis Dot structure for oxygen?

Pitanje 10
10.

What is the formula for the ionic compound formed between Ba2+ and O2-?

Pitanje 11
11.

What is the formula for the ionic compound formed between Ca2+ and Br1-?

Pitanje 12
12.

What is the formula for sodium oxide?

Pitanje 13
13.

Name this compound: BaCl2