CXC Chemistry

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

How many neutron are in the atom "K"?

• 7

• 2

• 39

• 12

The proper formula for magnesium hydroxide:

• MgOH

• Mg₂OH

• Mg(OH)₂

• Mg₂OH₂

The three types of nuclear radiation in order of increasing penetrating power are

• alpha, beta, gamma

• alpha, gamma, beta

• beta, alpha, gamma

• gamma, alpha, beta

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

A molecule is made up of

• one or more mixtures.
• one or more compounds.
• one or more atoms.
• one or more solutions.

what is an atom

• smallest part of the universe

• smallest part of a substance

• smallest part of anything

• smallest part of water

name the group that has a single bond

• alkenes

• alcohols

• alkanes

• ethers

molecules with double/tripple bond

• carbocilic acids

• alkynes

• unsaturated fats

• saturated fats

the name of this compaund C₄H₁₀

• METHANE

• HEXENE

• BUTANOIC ACID

• BUTANE