Atoms, Molecules, Elements, Compounds

Which part of an atom is POSITIVELY charged?

• protons
• neutrons
• electrons
• atoms

Which part of an atom is NEGATIVELY charged?

• protons

• neutrons

• electrons

• atoms

Which part of an atom has no charge?

• protons
• neutrons
• electrons
• atoms

What is at the center of every atom?

• An electron
• A compound
• A nucleus
• A molecule

Tags

NGSS.MS-PS1-1

Which two particles are found in the nucleus of an atom?

• protons and electrons

• protons and neutrons

• molecules and compounds

• neutrons and electrons

Which of the following determines the type of element an atom makes? (who is the fingerprint of an atom?)

• The size of the nucleus

• The number of protons

• How much an atom weighs

• The number of neutrons

In an atom, what is the number of protons equal to?

• The number of electrons

• The number of molecules

• The number of neutrons

• The number of nucleii

What makes an atom an ion?

• changing the number of neutrons

• changing the number of electrons

• changing the number of protons

A molecule is

• two or more atoms chemically stuck together

• one type of atom just hanging out together

• smaller than an atom

Tags

NGSS.MS-PS1-1

What do we call a chemical substance made up of 2 or more different types of atoms chemically stuck (bonded) together? Check all that apply.

• atom

• molecule

• element

• compound

Tags

NGSS.MS-PS1-1