Science Test #4

Question 1

Periodic table of elements

Answer 1

Organizes elements according to other properties.

Question 2

Element

Answer 2

One of the basic substances that combine to form other substances.

Question 3

Group

Answer 3

Is a column of elements in the periodic table of elements.

Question 4

Period

Answer 4

Each row in the periodic table is called a period, they are numbered 1-7.

Question 5

Symbol

Answer 5

Is a 1 or 2 letter abbreviation of a chemical element.

Question 6

Non - Metal

Answer 6

Solid non - metals are dull looking and brittle and do not conduct electricity.

Question 7

Atomic Number

Answer 7

atomic number of chemical elements is the number of protons found in the nucleus of an atom of that element.

Question 8

Mettaloids

Answer 8

Have some characteristics of both metals and non - metals.

Question 9

Atomic Mass

Answer 9

Is the mass of a chemical element.

Question 10

Metals

Answer 10

Metals are shiny, malleable (able to be pounded into thin sheets) ductile (stretched into wires) and good conductors of heat and electricity. -75% of elements on the periodic table.