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Basic Chemistry
Chemistry is Explosive!
I'm Going to Nail this Post Test!!
I'm so Sad I am Leaving This Class!
Almost there!!
100
Bases taste
What is bitter?
100
How would 0.00930 m be expressed in scientific notation?
What is 9.30 x 10–3 m?
100
This is what the horizontal rows on the periodic table are called.

What is periods?

100
Which of the following is an extensive property of matter? 1. Melting Point 2. Boiling Point 3. Volume 4. Density
What is volume?
100
This is what the vertical columns on the periodic table are called.

What is groups?

200

Acids taste __________.

What is sour?

200

This is what you call an atom that gains or loses an electron.

What is ion?

200
Which of the following is not a physical change? 1. Cutting 2. Burning 3. Boiling 4. Grinding
What is burning?
200

This is what beta particles are:

What is an electron?

200
Elements in a group or column in the periodic table can be expected to have similar
What is properties?
300
A water solution whose pH is 4
What is always acidic?
300
A chemist interested in the efficiency of a chemical reaction would calculate the
What is percentage yield?
300

This is what the atomic number tells you.

What is the number of protons in the nucleus?

300

What is the formula for zinc fluoride?

What is ZnF2?

300
Air slowly escaping from a pinhole in a tire is an example of
What is effusion?
400

A water solution with a pH of 10 would be this:

What is always basic.

400
Which form of radiation has the greatest penetrating power?
What is gamma?
400

This is the number of significant figures in the measurement 0.030700 m.

What is 5?

400

Name the compound Al2S3.

What is aluminum sulfide?

400

What does the 94 in 24494Pu represent?

What is the atomic number?
500

This is how many significant figures would be in the answer of the the following calculation:  246.9 m x 3.12 m x 0.0048 m

What is 2 significant figures?

The least number of significant figures given is 2 in the 0.0048 m.

500

For the reaction represented by the equation C + 2H2 -> CH4, how many moles of hydrogen are required to produce 10 mol of methane, CH4?

What is 20 mol?

500

The molar mass of NH3 is 17.03 g/mol. How many moles of NH3 are present in 107.1 g?

What is 6.289 mol?

107.1g / 17.03 g/mol = 6.288901... = 6.289 mol

500

What is the formula mass of magnesium chloride, MgCl2?

What is 95.21 amu?

500

This is the number of neutrons of an element with an atomic number of 6 and a mass number of 12.

What is 6?

12 - 6p = 6n