GCA Physical Science IA3 Chemistry Review

Ability to RUST is this type of property:

• Physical property

• Chemical property

How many valence electrons does carbon have?

• 12

• 2

• 6

• 4

What category is boron a part of?

• Metal

• Nonmetal

• Metalloid

• Halogens

Two atoms of the same element but with different mass numbers are called________

• electrons

• isotopes

• variables

• electron cloud

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.MS-PS1-1

Solution where more solute can still be dissolved at the given temperature.

• Saturated

• Unsaturated

• Supersaturated

• Homogeneous solution

An electrical current can run through a solution that contains ions. These solutions are called

• supersatuated solutions

• nonelectrolytes

• saturated solutions

• electrolytes

What are some ways to increase the rate of solubility? Check all that are correct.

• Increase temperature

• Decrease temperature

• Agitate (stir) the solution

• Shake the solution

Which solute is the most soluble at 10 ⁰C? Click on the image to enlarge.

• KI

• KClO₃

• NH₄Cl

• NH₃

Click on the image to enlarge. When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

• supersaturated

• unsaturated

• saturated