Mastering Chemical Bonds

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Which subatomic particle has a positive charge?

Electron

Valence electron

Proton (correct)

Neutron

Which subatomic particle has a charge of -1?

Proton

Electron (correct)

Neutron

Valence electron

What is the atomic number of carbon?

2

8

6 (correct)

12

What type of bond is formed when two atoms share valence electrons?

Covalent bond Signup and view all the answers

What are atoms called when they have lost or gained electrons?

Anions Signup and view all the answers

Which term describes the state where attractive forces between atoms hold them together at a particular distance from each other and in a particular configuration?

Chemical bond Signup and view all the answers

What is a compound?

A combination of different elements held together by chemical bonds Signup and view all the answers

Which statement about elements is correct?

Elements are organized in the periodic table according to their atomic number Signup and view all the answers

What is rust made of?

Iron and oxygen Signup and view all the answers

How many known elements are there currently?

118 Signup and view all the answers

Which of the following is true about ionic bonds?

Ionic bonds are formed between ions of opposite charge. Signup and view all the answers

What force holds ionic compounds together?

Electrostatic force Signup and view all the answers

Which of the following is an example of an ionic compound?

Sodium chloride (NaCl) Signup and view all the answers

How are cations formed?

By losing electrons Signup and view all the answers

What happens when an atom gains electrons?

It becomes an anion with a negative charge Signup and view all the answers

Mastering Chemical Bonds

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