Chapter 2 Biology

On the atom label the subatomic particles and the structure in order as they appear in the picture. #1, #2, #3 and #4

• Proton, Neutron, Electron, Nucleus

• Neutron, Proton, Nucleus, Electron

• Electron, Neutron, Proton, Nucleus

• Neutron, Electron, Proton, Nucleus

Tags

NGSS.MS-PS1-1

Water molecules stick to other water molecules. This property is called ______________.

• Cohesion

• Adhesion

• Polar

• Sticky

What makes a molecule polar?

• Opposite charges on a single molecule

• Opposite charges on two different molecules

• Same charges on a single molecule

• Same charges on two different molecules

What bond holds water molecules together?

• Ionic

• Covalent

• Hydrogen

• Peptide

On the pH scale label #1, #2 and #3 in the correct order

• Acid, Base, Neutral

• Neutral, Acid, Base

• Base, Neutral, AcidA

• Acid, Neutral, Base

The electrons that are available to form bonds are called _____________ ________________.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Negatively charged ions are known as __________ and positively charged ions are known as ____________.

How can you find the number of neutrons in an element if you were given the number of protons and the atomic mass?

• Neutrons= Atomic Mass - # of Protons

• Neutrons= Atomic Mass + # of Protons

• Neutrons= # of Protons - Atomic Mass

• Neutrons = Atomic Mass / # of Protons

Tags

NGSS.MS-PS1-1

An ionic bond is formed between a ________ and a ___________ on the periodic table.

On a pH scale what is the power raised to between each number?

• 1

• 10

• 5

• 20