Question

i need help in science can someone help me?

Answer 1

Post the question.

Answer 2

The sum of the protons and neutrons in an atom is its
A.
atomic number.
B.
atomic energy.
C.
atomic mass.
D.
charge.

Answer 3

i think its A but i am not 100% sure im like %% sure lol

Answer 4

atomic number

Answer 5

5%*

Answer 6

A.. You can alway google these

Answer 7

What is the smallest particle of an element that still has the same chemical properties?
A.
mixture
B.
compound
C.
molecule
D.
atom

Answer 8

C???

Answer 9

atom

Answer 10

I thought it was D

Answer 11

you need atoms to make a molecule

Answer 12

good point @suppa_lova and thx to u both have more questions :)

Answer 13

The periodic table below shows which elements are metals, nonmetals, and metalloids.

The element with the chemical symbol _______ is a metal.
A.
Xe
B.
Cs
C.
Rn
D.
Si

Answer 14

i can copy the perodic table :(

Answer 15

let me see something real quick though

Answer 16

B is the answer

Answer 17

https://app130.studyisland.com/pics/107656periodicmetals.png

Answer 18

there it go

Answer 19

the answer is B

Answer 20

ook

Answer 21

Carbon dioxide is formed when two oxygen atoms chemically combine with a carbon atom. Which term best describes carbon dioxide?
A.
mixture
B.
compound
C.
element
D.
atom

Answer 22

again B

Answer 23

ok

Answer 24

https://app130.studyisland.com/pics/209201periodicnitrogen.PNG

Answer 25

What is nitrogen's atomic number?
A.
14.0067
B.
5A
C.
N
D.
7

Answer 26

thats the picture that was the question ^_^

Answer 27

never mind thats tooo easy ;)

Answer 28

What is nitrogen's atomic number?
A.
14.0067
B.
5A
C.
N
D.
7

Answer 29

oops i meant

Answer 30

.Dany has a snowball.


Which of the following situations describes Dany observing the object undergoing a physical change.
A.
She slides it along a pond covered in smooth ice.
B.
She throws it high into the air.
C.
She takes it indoors and watches it melt.
D.
She gently sets it on the ground.

Answer 31

https://app130.studyisland.com/pics/209687snow.PNG

Answer 32

there is the picture of dany.

Answer 33

C