Bio-Chapter 2, Chemistry of Life

This particle has a positive charge

• electron
• proton
• neutron
• atom

This particle has a negative charge

• electron
• proton
• neutron
• atom

This particle has a neutral charge

• electron
• proton
• neutron
• atom

If Helium has 2 protons, how many electrons will it have if there is no charge?

• 0
• 1
• 2
• 4

Tags

NGSS.HS-PS1-1

These are made up of only one type of atom.

• compounds
• bonds
• molecule
• elements

This measures the concentration of H+ ions.

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

Inside of the nucleus, you will find which particles?

• electrons and protons
• neutrons and electrons
• protons and neutrons
• electrons only

Tags

NGSS.HS-PS1-8

Substances that have a pH less than 7 are considered:

• acidic
• basic
• neutral

This is a substance that there is more of, and that dissolves the other substance.

• solute
• solvent

Which property of water causes water to form beads, water likes water?

• high specific heat
• cohesion
• adhesion
• polarity