P.S. Final Review

If you do not understand a direction or part of a lab procedure, you should _______________.

• Ignore it

• Ask the teacher

• Guess

• Skip it

What happens to matter at zero Kelvin?

• It melts

• It boils

• It stops moving

• It evaporates

Tags

NGSS.MS-PS1-4

What are the SI units for mass, volume, length, and temperature?

• Kilogram, liter, millimeter, Celsius

• Kilogram, liter, meter, Kelvin

• Gram, cubic meter, meter, Fahrenheit

• Pound, gallon, foot, Celsius

What is an example of a chemical property?

• Melting point

• Conducting electricity

• Flammability

• Color

What are the parts of an atom?

• Protons, neutrons, electrons

• Cells, tissues, organs

• Atoms, molecules, compounds

• Solids, liquids, gases

Tags

NGSS.MS-PS1-1

An atom has 13 protons, 14 neutrons, and 10 electrons. Describe the atom's mass, atomic number, and charge. What is the element?

• Mass: 27 amu, Atomic number: 13, Charge: +3; Aluminum

• Mass: 27 amu, Atomic number: 14, Charge: -3; Silicon

• Mass: 24 amu, Atomic number: 12, Charge: +2; Magnesium

• Mass: 23 amu, Atomic number: 10, Charge: -1; Neon

Tags

NGSS.MS-PS1-1

What does a subscript in a compound tell you?

• The charge of the compound

• The number of atoms of each element

• The type of bond present

• The molecular weight

Tags

NGSS.MS-PS1-1

How many atoms are in the compound FeSO₄?

• 5

• 6

• 7

• 8

Tags

NGSS.MS-PS1-1

What happens to an atom to make it an anion?

• It gains electrons

• It loses electrons

• It gains protons

• It loses protons

What is used to balance chemical equations?

• Subscripts

• Coefficients

• Charges

• Atomic numbers

Tags

NGSS.MS-PS1-5