Science - Atoms, Elements, Molecules and Compounds

Which part of an atom is POSITIVELY charged?

• protons
• neutrons
• electrons
• atoms

What 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 make up the nucleus of an atom?

• protons and electrons
• protons and neutrons
• molecules and compounds
• neutrons and electrons

What determines the type of element an atom makes?

• The size of the nucleus
• The number of protons
• How much an atom weighs
• The number of neutrons

How many Hydrogen atoms are present in H₂0?

• 2

• 4

• 1

• 0

Tags

NGSS.MS-PS1-1

What is a small particle that is known as the basic building block of matter?

• molecule

• compound

• element

• atom

Tags

NGSS.MS-PS1-1

Two oxygen atoms bond together, which vocabulary word best describes this type of matter?

• molecule

• compound

• element

• atom

Tags

NGSS.MS-PS1-1

H₂O is most accurately described as a ___________________.

• molecule

• compound

• element

• atom

Tags

NGSS.MS-PS1-1