Chemistry of Life Test Review

Which property of water causes water to form beads?

• high specific heat
• cohesion
• adhesion
• polarity

In this Bohr model of Neon, how many valence electrons (electrons in the last shell) are there?

• 10
• 20
• 8
• 16

Tags

NGSS.HS-PS1-1

This particle has a positive charge

• electron
• proton
• neutron
• atom

Tags

NGSS.HS-PS3-5

This particle has a negative charge

• electron
• proton
• neutron
• atom

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

This particle has a neutral charge

• electron
• proton
• neutron
• atom

These are made up of only one type of atom.

• compounds
• bonds
• molecule
• elements

Tags

NGSS.HS-PS1-1

Atoms can become ions when its number of ________ changes.

• protons
• electrons
• neutrons
• nuclei

When two atoms share a pair of electrons, this is called:

• hydrogen bond 
• water bond
• covalent bond
• ionic bond

When electrons in the outer energy levels reach the magic number 8, then it is said to be:

• stable
• unstable
• unreliable
• an ion

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This measures the concentration of H+ ions.

• Periodic table
• Carbon chains
• Bohr's Models
• pH scale