(Valence) Electrons
What's My Name?
Write and Balance
Acids and Bases
What's my formula?
100

How many valence electrons does Oxygen (O) have?

6

100

CaF2

Calcium fluoride

100

hydrogen + oxygen yield dihydrogen monoxide

2H2 + O2 --> 2H2O

100

My pH is greater than 7

Base

100

hydrogen

H2

200

What valence does Magnesium have, and what does this mean?

2 because it must form 2 bonds to lose its 2 valence electrons

200

N2H4

dinitrogen tetrahydride
200

Silver plus chlorine yield silver (i) chloride

2Ag + Cl2 --> 2AgCl

200

my pH is 7

neither an acid nor a base: it's neutral

200

Tricarbon pentahydride

C3H5

300

Which of the following has a valence of 3:

Boron (B) or Fluorine (F)

Boron

300

H20

dihydrogen monoxide

300

Calcium plus magnesium chloride yields magnesium plus calcium chloride

Ca + MgCl2 --> Mg + CaCl2

300

HF

acid

300

titanium (ii) chloride

TiCl2

400

If an atom has a valence of 2 which of the following is true:

a. it must be in group 2

b. it must be in group 16

c. none of the above

c. none of the above


400

Li2O

lithium oxide

400

beryllium plus oxygen yield beryllium oxide

2Be + O2 --> 2BeO

400

I turn red litmus paper blue...

base


400

calcium bromide

CaBr2

500

This is the lightest atom that has a valence of 0

Helium (He)

500

F2O2

Difluorine dioxide

500

Cu (II) chloride plus zinc yields copper plus zinc (II) chloride

CuCl2 + Zn --> Cu + ZnCl2

500

HCl + NaOH --> ___ + ___

NaCl + H20

500

Vanadium (3) oxide

V2O3

M
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