Chapter 2. 2·1–2·3 Atoms form molecules through bonding.

Show What You Know - Self Quiz
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You must read each slide, and complete any questions on the slide, in sequence.

Instructions

Check your understanding of concepts from 2·1–2·3 Atoms form molecules through bonding by answering the following questions.

1.

1. The atomic number of an element is:

A.
B.
C.
D.
E.
Correct! (See section 2·1 Everything is made of atoms.)
Incorrect. (See section 2·1 Everything is made of atoms.)

2.

2. The four most abundant elements in living organisms are:

A.
B.
C.
D.
E.
Correct! (See section 2·1 Everything is made of atoms.)
Incorrect. (See section 2·1 Everything is made of atoms.)

3.

3. An atom can be changed into an ion by adding or removing:

A.
B.
C.
D.
E.
Correct! (See section 2·2 An atom's electrons determine whether (and how) the atom will bond with other atoms.)
Incorrect. (See section 2·2 An atom's electrons determine whether (and how) the atom will bond with other atoms.)

4.

4. In an uncharged atom, the number of protons and ___________ must be equal.

A.
B.
C.
D.
E.
Correct! (See section 2·2 An atom's electrons determine whether (and how) the atom will bond with other atoms.)
Incorrect. (See section 2·2 An atom's electrons determine whether (and how) the atom will bond with other atoms.)

5.

5. Ionic bonds form _______, while covalent bonds form ________.

A.
B.
C.
D.
E.
Correct! (See section 2·3 Atoms can bond together to form molecules or compounds.)
Incorrect. (See section 2·3 Atoms can bond together to form molecules or compounds.)

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