unit 0 vocab

Question 1

absolute zero

Answer 1

When a substance is at the lowest temperature possible and heat energy is not present.

Question 2

filtration

Answer 2

The process of removing solids from a liquid by the use of a filter medium.

Question 3

filtrate

Answer 3

The resulting liquid after being passed through filtration.

Question 4

reagent

Answer 4

A substance or compound is added to a system to test or induce a chemical reaction.

Question 5

supernatant

Answer 5

A liquid lying on top of a solid or sediment during settling.

Question 6

precipitate

Answer 6

A solid that is formed due to a chemical reaction in a solution.

Question 7

halides/halogens

Answer 7

A halogen is an element that forms salt when it reacts with a metal. (fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), tennessine (Ts)). Halides are halogens that have a negative charge. (F, Cl, Br, I, At, Ts) Group 17.

Question 8

Alkaline earth metal

Answer 8

Alkaline earth metals are highly metallic and are good energy conductors. They are any of the elements in group 2. (Beryllium (Be), Magnesium (Mg), Barium (Ba), Calcium (Ca), Strontium (Sr), Radium (Ra)).