Periodic Table - 7th Grade Edition

Question 1

Most of the elements are in this state of matter at room temperature

Accepted Answer

solid

Question 2

Made the 1st Periodic Table

Accepted Answer

Mendeleyev

Question 3

Two or more atoms that are chemically bonded.

Accepted Answer

compound

Question 4

Symbol for Iron

Accepted Answer

Fe

Question 5

Hydrogen, helium, and chlorine are in this state of matter

Accepted Answer

gas

Question 6

These conduct heat & electricity, and are shiny.

Accepted Answer

metals

Question 7

A positively charged particle in an atom.

Accepted Answer

proton

Question 8

This shows all the elements organized by their properties.

Accepted Answer

periodic table

Question 9

The number of protons in an atom.

Accepted Answer

Atomic Number

Question 10

This family is found the far right column of the periodic table.

Accepted Answer

Noble Gases

Question 11

Symbol for Silver

Accepted Answer

Ag

Question 12

Elements that have characteristics of both metals & nonmetals.

Accepted Answer

metalloids

Question 13

The vertical columns in the periodic table.

Accepted Answer

family

Question 14

Elements that are made in the Lab.

Accepted Answer

synthetic

Question 15

These are poor conductors, & are dull.

Accepted Answer

nonmetals

Question 16

Symbol for Potassium

Accepted Answer

K

Question 17

The horizontal rows in the periodic table.

Accepted Answer

periods

Question 18

Only bromine & mercury are this state of matter at room temperature.

Accepted Answer

liquid

Question 19

Symbol for Magnesium

Accepted Answer

Mg

Question 20

Two or more elements or compounds physically together.

Accepted Answer

mixture

Questions 20