Atoms, Elements and Bonds

True or false: All elements are composed of atoms.

• True

• False

What is the charge of an electron?

• Positive

• Negative

• Neutral

What is the charge of an proton?

• Positive

• Negative

• Neutral

Tags

NGSS.HS-PS2-4

What is the charge of an neutron?

• Positive

• Negative

• Neutral

Where are the protons and neutrons located within an atom?

• In the nucleus

• In the electron cloud

• Atoms don't have protons or neutrons

Tags

NGSS.HS-PS1-8

Which of the following elements are the basis of organic, living organisms?

• Iron

• Nitrogen

• Carbon

• Hydrogen

Tags

NGSS.HS-LS1-6

What does the atomic # tell you about an element?

• The number of electrons

• The number of protons

• The number of neutrons

• The average mass of the element

Which of the following best describes an ion?

• An atom that is neutral

• An atom that is moving really fast

• An atom that is sharing its electrons

• An atom that has a positive or negative charge.

Lithium has 3 protons and 3 electrons. What charge would it have if it lost 1 electron?

• 0

• -1

• +1

Tags

NGSS.HS-PS1-1

Which of the following statements best describes a covalent bond?

• A bond where nitrogen is bonded to everything.

• A bond where electrons are shared.

• A bond where electrons are donated from one atom to another.

Tags

NGSS.HS-PS1-1