Midterm Practice

Front

A charged particle that has gained or lost electrons is called a _____

Back

ion

Front

How many bonds will Carbon (C) and Hydrogen (H) share?

Back

1

Front

A lone pair is defined as

Back

A pair of non-bonding electrons

Front

How many PROTONS are in Iron (Fe)?

Back

26

Front

If magnesium loses 2 electrons, how many electrons does the ion have?

Back

10

Front

What is the definition of an ion?

Back

An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is a covalent bond?

Back

A chemical bond that involves the sharing of electron pairs between atoms.

Front

What is the difference between an ionic bond and a covalent bond?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.