SCience 33333333

Question 1

Periodic Table

Answer 1

an arrangement of elements in columns, based on a set of properties that repeat from row to row.

Question 2

Mendeleev

Answer 2

A chemist who developed the periodic table and organized elements by their properties while leaving empty spaces for more elements to be discovered

Question 3

element

Answer 3

a pure substance that can not be broken down

Question 4

Period

Answer 4

A row going across on the Periodic Table

Question 5

Group/family

Answer 5

A column going up and down on the Periodic Table

Question 6

Periodic law

Answer 6

The pattern of repeating properties down each group in the periodic table

Question 7

Chemical / Element Symbol

Answer 7

A one or two letter symbol that represents that name of an element
(first letter is capital and potential second letter is lowercase)

Question 8

Atomic Number

Answer 8

number of protons in an element,
atomic # is also equal to the number of electrons
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Question 9

Atomic Mass

Answer 9

The number of protons and neutrons in the nucleus (center) of an element

Question 10

Conductor

Answer 10

A material that allows things to flow