Mid Term 2016 Pt 2

Question 1

Periodic trends

Answer 1

Atomic size increases as gets closer to Fr on the periodic table. Electronegativity increases as you get closer to F (He emailed me this)

Question 2

What kind of reaction is this?

A+B—>AB

Answer 2

Synthesis

Question 3

What kind of reaction is this?

AB—> A+B

Answer 3

Decomposition

Question 4

What kind of reaction is this?

A+BC—> AC+B

Answer 4

Single Replacement

Question 5

What kind of reaction is this?

AB+CD—>AD+CB

Answer 5

Double Displacement

Question 6

What type of reaction is this

CH4+2O2—>CO2+2H2O

Answer 6

Combustion

—>CO2+H2O

Question 7

Study of the interaction between chemicals and their structure

Answer 7

Chemistry (this is the definition he had is write down in class)

Question 8

Valence electrons

Answer 8

A single electron or one of two or more electrons in the outer shell of an atom that is responsible for the chemical properties of the atom

Question 9

Know empirical formula

Answer 9

You need to find TY,PY,LR, and ER