Which of the following is described as the basic unit of matter?

• Element
• Atom
• Molecule
• Compound

Tags

NGSS.HS-PS1-7

In the atom diagram shown, E is pointing to

• An electron
• a proton
• a neutron
• the nucleus

Tags

NGSS.MS-PS1-1

In the atom diagram shown, A is pointing to the darker particles, these are known as

• electrons

• protons

• neutrons

• the nucleus

Tags

NGSS.MS-PS1-1

B and C are found in the ______ of an atom.

• electron cloud
• Space
• Nucleus
• Outside

Tags

NGSS.MS-PS1-1

A molecule is________

• two ions held together by opposite charges
• smaller than an atom
• can be physically separated into smaller atoms
• more than one atom bonded together by covalent bonds

Tags

NGSS.MS-PS1-1

What charge does an electron have?

• Negative
• Positive
• Neutral
• Contrated

Which part of an atom has no charge?

• protons
• neutrons
• electrons
• atoms

What is the name of a single type of atom?

• cell
• proton
• element
• atom

What is the picture displayed? You may have more than one answer if applicable

• atom

• element

• molecule

• compound

What is the picture displayed? You may have more than one answer if applicable

• atom

• element

• molecule

• compound