Ch. 4 Review

Question 1

This type of element is POOR at conducting electricity.

Accepted Answer

Nonmetal

Question 2

The symbol for SODIUM. (Hint: Think of Ms. Wong's FIRST name)

Accepted Answer

Na

Question 3

Pb is the element symbol for this, something I don't want in my sandwich.

Accepted Answer

Lead

Question 4

Given:Oxygen-16 & Atomic # = 8, this is the number of protons, electrons, & neutrons.

Accepted Answer

8 each

Question 5

Ag is the symbol for this element.

Accepted Answer

Silver

Question 6

We’re the most reactive family on the periodic table.

Accepted Answer

Alkali Metals

Question 7

This type of therapy is used to kill unhealthy cancer cells.

Accepted Answer

Radiation therapy

Question 8

This element doesn't really belong with any other family, but was adopted by the non-metals.

Accepted Answer

Hydrogen (H)

Question 9

We’re not quite as reactive as our neighbors the Alkali Metals.

Accepted Answer

Alkaline Earth Metals

Question 10

K stands for this element.

Accepted Answer

Potassium

Question 11

When an atom’s nucleus is unstable, it gives off this.

Accepted Answer

Radiation

Question 12

This type of substance will only conduct electricity under certain conditions.

Accepted Answer

Semiconductor

Question 13

Given Carbon’s atomic # is 6 and the isotope Carbon-15, I should have this many neutrons.

Accepted Answer

9

Question 14

What is the element symbol for IRON?

Accepted Answer

Fe

Question 15

Given calcium’s atomic #20, & the isotope Calcium-43, I should have this many neutrons.

Accepted Answer

23

Question 16

This is Ms. Wong's favorite element. (Choose wisely!)

Accepted Answer

Berkelelium (Bk)

Question 17

A column on the periodic table is also known as this.

Accepted Answer

Family

Question 18

Our family can act like metals or non-metals, depending on the conditions.

Accepted Answer

Semimetals/Metalloids

Question 19

Our family does NOT like to form compounds.

Accepted Answer

Inert/Noble Gases

Question 20

Given the isotope Sodium-33 has 22 neutrons, it should have this many protons.

Accepted Answer

11

Question 21

Our family is very salty, and includes Flourine,Chlorine, Bromine & Iodide.

Accepted Answer

Halogens

Question 22

Marie & Pierre Curie found this type of spontaneous emission of radiation.

Accepted Answer

Radioactivity

Question 23

A row on the periodic table is also known as this.

Accepted Answer

Period

Question 24

My atomic# is 10, so I have this many protons.

Accepted Answer

10

Question 25

This is a particle that has 2 neutrons & 2 protons.

Accepted Answer

Alpha particle

Question 26

The element symbol for PHOSPHORUS.

Accepted Answer

P

Question 27

If it's a normal atom & has 15 protons, it should have this many electrons.

Accepted Answer

15

Question 28

This is how Mendeleev arranged the elements on his periodic table.

Accepted Answer

Increasing atomic MASS

Question 29

This type of radiation is stopped only by thick lead or 1 m of concrete.

Accepted Answer

Gamma ray

Question 30

Gold, silver, copper & nickel are all apart of this family.

Accepted Answer

Transition Metals

Ch. 4 Review

Questions 30

Ch. 4 Review

Questions 30