Chem Test

An isotope of chlorine is Cl-37. The nucleus of an atom of contains ____.

• 16 protons and 17 electrons

• 17 protons and 18 neutrons

• 17 protons and 20 neutrons

• 17 electrons and 18 protons

How many valence electrons does bromine have?

• 2

• 4

• 6

• 7

What is the correct chemical formula for potassium sulfide?

• K₂S

• K₂SO₄

• KS

• KSO₄

• K₄SO

PbCl₃ + K₃N → KCl + PbN

• Combination/Synthesis

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

How many grams of KCl, does it take to make a saturated solution in 100 g of water at 40 ºC?

• 83 grams

• 75 grams

• 39 grams

• 12 grams

Which line segment represents a liquid state only?

• A-B

• B-C

• C-D

• D-E

What is another name for the elements in group 1?

• The Halogens

• The Noble gases

• The Alkaline Earth Metals

• The Alkali Metals

Put the liquids in order from least dense to most dense?

• 4, 3, 2, 1

• 1, 2, 3, 4

• 3, 4, 2, 1,

• 4, 3, 1, 2

Which bond is not a conductor at any state?

• ionic

• covalent

• metallic

Al(NO₃)₃ - name?

• aluminum oxide

• aluminum nitrate

• aluminum trinitrogen trioxide

• aluminum nitroxide