B-R Diagrams
Counting Atoms
Trends in the Periodic Table
Types of Bonds
Misc.
100

What is the charge of electrons? protons? neutrons?

negative, positive, no charge

100

How many atoms are in one molecule of H₂O?

3

100

Elements in the same column are part of the same

group/family

100

What is a cation?

an atom that GIVES electrons 

100

What is a charged atom called?

ion

200

What is the chemical symbol for potassium?

K

200

How many elements are in MgCl₂ ?

2

200

True or false:

Elements in the same period have the same amount of valence electrons

False

Elements in the same group/family have the same amount of valence electrons

200

What is an anion?

an atom that GAINS electrons 

200

To calculate neutrons, the equation is. . . 

atomic mass - atomic number 

300

How do we calculate the number of protons and electrons?

protons = atomic #

electrons = atomic #

300

H₂SO₄ contains how many atoms total?

7

300

How many valence electrons does oxygen have?

6
300

What type of bond has a donation of electrons?

Ionic

300

What is the family found in the staircase?

Metalloids/Semi-metals

400

How many electrons can the first shell hold?

second shell?

first shell - 2

second shell - 8

400

What is the difference between H2O and H2O2?

H2O2 contains an additional oxygen

400

What group are alkali earth metals found in?

2

400

Name two group #s that are likely to form an IONIC bond together. 

1 - 17

2- 16

13- 15 

400

What is the name for the elements located in group 17?

Halogens

500

Draw a B-R diagram for Carbon on the board


500

Indicate the amount of atoms of each element in the following compound:

Fe2(SO4)3

Fe - 2

S- 3

O - 12


500

What group are the least reactive elements found in?

18

500

Ionic bonds occur between a . .. . .

a metal and non-metal

500

Draw the ion diagram for BORON

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