Chemistry 2

Acids react with

• water to produce bases and salts
• salts to produce bases and water
• neither bases, salts nor water
• bases to produce salts and water

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

• enzyme

• fatty acid

Releases hydrogen in an aqueous solution.

• base
• strong base
• acid
• weak base

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

Which of the following is a property of a base?

• bitter taste

• reacts with metals

• salty

• sour taste

Which particle has a positive charge?

• electron
• orbital
• proton
• neutron

What are valence electrons?

• electrons on the first orbital always
• nucleus
• the outermost shell
• the number of electrons on the outermost orbital

An element with a mass number of 10 and an atomic number of 6 has how many protons?

• 5
• 8
• 6
• 10

Tags

NGSS.MS-PS1-1

What is the atomic mass of the atom pictured? 

• 11
• 12
• 22
• 23

Tags

NGSS.MS-PS1-1

What is the atomic number of the atom pictured? 

• 11
• 12
• 22
• 23

Tags

NGSS.MS-PS1-1