Intro to Chem
Atomic Structure
Periodic Table
Electrons
Formulas
Naming Compounds
100

A snack mix is an example of this type of mixture.

hetergeneous mixture

100

How many protons does Osmium contain?

76 Protons

100

Draw a diagram showing groups and periods.

Teacher approval

100

Electrons have what kind of charge?

Negative

100

What is H2O?

Water

100

What is the chemical name for the formula Na2S?

Sodium sulfide

200

This type of mixture looks uniform throughout. Saltwater is a good example. 

Homogenous mixture

200

When an atom loses electrons, the atom is a 


It is a Cation

200

Neon and Argon are examples of 

Noble gases

200

What block does Radon belong to?

p-block

200

What is the formula for Sulfur hexafluoride?

SF6

200

What is the name of FeS?

Iron (II) Sulfide

300

What term refers to anything that occupies space, physical and chemical properties and exists in gas, liquid or solid form

Matter

300

The most common isotope of Nitrogen is 


N-14

300

The elements can be found on group 17 of the periodic table of the elements.

Halogens

300

What is the electron configuration for Cl?

1s22s22p63s23p5

300

What is the formula for hydrosulfuric acid?

H2S

300

The chemical name for the compound with the formula KNO3

Potassium nitrate

400

Color, luster, odor are examples of what type of properties?

Physical properties

400

An atom of an element has 15 protons, 15 electrons and 16 neutrons has an atomic mass of

31 amu

400

Alkaline Earth metals for ions which what kind of charge?

+2 Charge

400

How many electrons does a sulfide ion contain?

18 electrons

400

What is the formula for Calcium phosphate?

Ca3(PO4)2

400

Name the compound CuSO4

Copper (II) Sulfate


500

Giving a client a perm would be considered what type of change

What is Chemical

500

 Please show all work: What is the average atomic mass of element X with three isotopes and the following percent abundances and masses:

X-15 (15.165 amu, 78.5%) 

X-17 (17.4015 amu, 18.3%)

X-19 (19.012 amu, 3.20%)  

ROUND TO THE NEAREST HUNDREDTH

15.6973835 amu --- Should be 15.70 amu

500

What element is in group 4, period 5?

Zirconium

500

What is the full electron configuration of Promethium?

1s22s22p3s3p6 4s3d10 5s4d10 5p6s24f 

500

What is the total number of atoms used to make 1 formula unit of ammonium dichromate?

(NH4)2Cr2O7       - 19 atoms

500

Draw the lewis dot structure for Carbon tetrachloride.

Teacher will check

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