All matter is made of _________.

• energy 
• atoms 
• electrons 
• compounds 

What is at the center of every atom?

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

The positively charged particles of an atom are the ________.

• electrons
• protons
• neutrons
• protons & neutrons

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons

The subatomic particles that make up an atom.

• solid, liquid, gas

• electrons, protons, nucleus

• energy, protons, nucleus

• electrons, protons, neutrons

__________ are negatively charged particles that are in the orbitals around the nucleus.

• protons

• nucleus

• neutrons

• electrons

An electron has a _________ charge

• positive

• neutral

• negative

• massive

A neutron has _________ charge or is ________.

• negative ... neutral

• positive .... neutral

• no .... negative

• no ... neutral

Tags

CCSS.RI.4.5

CCSS.RI.5.3

CCSS.RI.5.5

CCSS.RI.6.3

CCSS.RI.6.5

Which is an electron?

• A
• B
• C

How many atoms of Hydrogen are in H₂O

• 1

• 2

• 3

• more than 3