Question 1

What are the three main particles in atoms?

Accepted Answer

Protons, neutrons, and electrons

Question 2

What is the core of the atom called?

Accepted Answer

The nucleus

Question 3

What is the charge of protons?

Accepted Answer

Positive (+)

Question 4

What is the charge of neutrons?

Accepted Answer

Neutral

Question 5

What is the charge of electrons?

Accepted Answer

Negative (-)

Question 6

What are ionic bonds?

Accepted Answer

A bond between two atoms when electrons are transferred from one to the other

(one atom loses electrons and becomes positively charged; the other gains electrons and becomes negatively charged)

Question 7

What are covalent bonds?

Accepted Answer

A bond between two atoms when electrons are shared between the atoms

Question 8

What are hydrogen bonds?

Accepted Answer

Weak bonds between a hydrogen atom (with a partial positive charge) and another electronegative atom (such as oxygen or nitrogen)

Question 9

Why are hydrogen bonds important?

Accepted Answer

They hold together water multiple water molecules

Atoms, AP Biology Flashcards