Chemistry Quiz

As the temperature decreases and particles get closer together...

• Attraction between particles decreases

• Particles change into a gas state

• Attraction between particles increases

• Particles bound around in random directions

Which element IS a diatomic element

• Fluorine

• Calcium

• Argon

• Lead

Which of the following is an example of a homogeneous mixture?

• Sandwich

• Granola Bar

• Hot chocolate with marshmallows

• Coffee

Which of the following is a quantitative obervation?

• The dog has 4 legs

• The girl has brown hair

• The substance is in a liquid state

• Bubbles formed from the chemical reaction

Jennifer mixes sugar in hot water and watches as it dissolves. She determines that the sugar is soluble. Jennifer has accurately described a _____________ of sugar.

• Chemical property

• Physical property

• Physical change

• Chemical change

Which GROUP number is Chlorine in?

• 8

• 2

• 3

• 7

How many neutrons does Boron have?

• 3

• 6

• 5

• 11

Are there more metals or non-metals on the periodic table?

• Metals

• Non-metals

True or false: metalloids are liquids

• True

• False

If you needed to use a very reactive element, would you prefer to use lithium or potassium?

• Lithium

• Potassium