Atoms & Molecules

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

What is the basic unit of matter and is the smallest particle of an element?

• Atoms
• Elements
• Compounds
• Molecules

Two or more atoms chemically bonded together are called a

• atom
• element
• molecule
• mixture

Tags

NGSS.MS-PS1-1

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

• atom

What chart should you reference to lookup information about elements?

• Elemental map
• Periodic Table of Elements
• Table of atoms
• None of the above

Tags

NGSS.MS-PS1-1

This subatomic particle of an atom has NO charge.

• Electron
• Proton
• Atom
• Neutron

This subatomic particle of an atom has a NEGATIVE charge.

• Electron
• Proton
• Atom
• Neutron

Tags

NGSS.MS-PS1-1

The number of atoms it would take to make a molecule of water.

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

What does the atomic number represent?

• how many atoms are in a group.

• how much an atom weighs.

• the number of protons in the nucleus of the atom.

Which term defines any substance that cannot be broken down into a simpler substance?

• atom

• molecule

• element

• compound