Week 2 Gen Chem

Periodic Table

100

Which direction does a group go on the periodic table vs a period?

Period = side to side

Group = Up and down

200

What group contains the Alkali Metals

Group 1A

300

What kind of atoms make up group 7A?

Halogens

400

What group and what representative group is Strontium a part of?

Alkaline earth metals

500

What is the name of the atom in period 3 group 7A?

Chlorine

Scientific Notation

100

What is this number in scientific notation?

5670000

5.670000 x 10⁶

200

What is this number in standard notation

5.90 x 10^-5

0.0000590

300

If something in scientific notation shows a negative exponent, will that number be less than 1 or greater than 1?

Less than 1

400

What's this number in standard notation

6.9458 x 10^-5

0.000069458

500

What is this number in scientific notation?

578.967 x 10³

5.78967 x 10⁵

Metals, Nonmetals, and Metalloids

100

What is the most abundant type of atom on the periodic table: metals, nonmetals, or metalloids?

metals

200

Is Hydrogen a metal, nonmetal, or metalloid?

nonmetal

300

Which one - metal, nonmetal, or metalloid - fits the following characteristic: 

Used as semiconductors and insulators

Metalloid

400

Almost all metals are solid, but one is a liquid at room temperature. Which one is it?

Hg (mercury)

500

Is polonium a metal, nonmetal, or metalloid?

metalloid

The Atom

100

What is the name we use for units of mass of a subatomic particle?

Amu

200

What is the charge of a proton, electron, and neutron?

+1

-1

0

300

What is a cation?

a positively charged ion

400

Atomic number stands for number of ___

while mass number stands for number of ___

protons; the sum of protons and neutrons

500

If I have an atom with an atomic number 6, a mass number 14, and a charge of -1, how many neutrons, protons, and electrons are in my atom?

protons = 6

neutrons = 8

electrons = 7   

Percentages

100

what is 50% of 12

6

200

I have 20 peanuts, but a squirrel stole 10% of them. How many peanuts do I have left?

18 peanuts

300

A carbon atom has a mass number of 12 and an atomic number of 5. The atomic number tells you the number of protons in the atom.

What percent of the atom’s mass number is made up of neutrons?

58.3%

400

It took me 20 days to read a book. About how much of the book did I read per day?

5%

500

My mystery pot of atoms has 20g of the alkali metal in the 4th period, 13g of the noble gas in the second period, and 12g of the halogen in the 5th period. 

What percent of each atom do I have in my mystery pot? (include the names of each atom)

K (potassium) = 44%

Ne (neon) = 29%

I (iodine) = 27%