Compounds, Molecules, Atoms

What charge does an atom have when it GAINS electrons?

• Positive

• Negative

• Neutral

What subatomic particle changes in an ion?

• The number of electrons

• The number of protons

• The number of neutrons

What type of atom is element C?

• Normal atom

• Ion

• Isotope

Tags

NGSS.MS-PS1-1

Sodium has an atomic number of 11, how many protons does this atom have?

• 22
• 11
• 12
• 2

Tags

NGSS.MS-PS1-1

Small positively charged particles that are found in the nucleus of an atom

• neutron
• ion
• proton
• electron

What is the picture displayed?

• atom

• element

• compound

Tags

NGSS.MS-PS1-1

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

How many Hydrogen atoms are in Water (H2O)

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

What term is used for the joining of atoms to form new substances?

• valence electrons
• physical bonding
• energy level
• chemical bonding

Tags

NGSS.MS-PS1-5

Which of these items is made up of one or more molecules?

• Gold
• Hydrogen
• Salt 
• Neon 

Tags

NGSS.MS-PS1-1