SS3 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

Tags

NGSS.MS-PS1-1

What is the number of protons that the element in this image contain?

• 14

• 7

• 15

• 18

The proper formula for magnesium hydroxide:

• MgOH

• Mg₂OH

• Mg(OH)₂

• Mg₂OH₂

How do the following two elements bond together?

Al³⁺ O^2-

• AlO

• Al₂O₃

• Al₃O₆

• Al₃O₂

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

Which best describes a chemical reaction?

• Products --> Reactants

• Reactants --> Products

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Macromolecule that is made up of repeated structure called monomers

• protein

• amino acids

• polymer

What is the amount (in mole) of sodium trioxocarbonate (IV) in 5.3g of the compound? [Na₂CO₃ = 106]

• 0.05

• 0.10

• 0.20

• 0.50

The number of particles in one mole of a chemical compound is the

• atomic number

• Avogadro’s number

• mass number

• oxidation number