science test December >;(

Question 1

how many elements are found naturally on earth

Answer 1

92

Question 2

whats a subatomic

Answer 2

smaller than a atom but no traits

Question 3

how do you show sulfur and Iron bonding

Answer 3

two circles with a side ways eight going around

Question 4

random

Answer 4

all the me comes from a small mid-western town - mark twain

Question 5

what is physical scinece

Answer 5

the study of matter motion and energy

Question 6

why study scinece

Answer 6

to learn about the univereses arounf us

Question 7

an atom is the smallest

Answer 7

particle with traits

Question 8

what subatomics make up the neuclues

Answer 8

protons and neutrons

Question 9

proton charge

Answer 9

positive

Question 10

electron charge

Answer 10

negitive

Question 11

neutron vharge

Answer 11

neutrual

Question 12

where is the electron loacted

Answer 12

outside of the nuclues

Question 13

the example of something to large, rare, small is called

Answer 13

a model

Question 14

the atomic number indentifies how many

Answer 14

the number of protons in the nuclues

Question 15

if you knwo the amount of protons then you know

Answer 15

the atomic number

Question 16

whats the short hand for an element called

Answer 16

atomic symbool

Question 17

the atomic mass represents how many

Answer 17

protons ans neutrons are in atom

Question 18

to find the number of neutrons subtract

Answer 18

the atomic mass ans protons

Question 19

as you move down the perids what happnes

Answer 19

an orbital is added

Question 20

the rows are called

Answer 20

periods

Question 21

collums are callled groups pr families

Question 22

groups of elements share

Answer 22

traits

Question 23

an element is an atom with

Answer 23

specific traits

Question 24

what makes a compund a compuond

Answer 24

its irriserable

Question 25

whats peridoc

Answer 25

a pridcable pattern

Question 26

how do you calculate atomic mass

Answer 26

by adding protons and neutrons

Question 27

a chemical change is when an sunstance changes

Answer 27

when a substance changes becase it mixes with another sunstances\

Question 28

what is it called when to substances are pured together

Answer 28

a hendrogenuis