Study Biology

Course

Anatomy & Physiology

Study Pack

Set 2 Basic Chemistry

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Question 1

(Multiple Choice)

Free
An acid is a molecule that releases (donates) ________.

A) protons (hydrogen ions)
B) hydroxyl ions
C) neutrons
D) electrons

Answer

Question 2

(Multiple Choice)

Free
An atom with 13 electrons will have ________ electrons in the valence shell.

A) 2
B) 3
C) 5
D) 8

Answer

Question 3

(Multiple Choice)

Free
Polar molecules, like water, result when electrons are shared ________.

A) unequally between atoms
B) between ions
C) equally between atoms
D) or transferred between atoms

Answer