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Flashcards in Midterm Deck (24):
1

in an atom, where are the protons and neutrons found?

nucleus

2

what items are responsible for the mass of an atom?

protons and neutrons

3

what is an isotope?

different number of neutrons than normal

4

while liquid is boiling, what happens to the temperature

it stays the same

5

what is the valence level?

the outermost energy

6

what is an example of an exothermic reaction?

hand warmer

7

give two examples of a heterogeneous mixture

soup, ice cream

8

where is a reactant in the equation?

on the left side

9

where is the product in the equation?

on the right side

10

if Li and Br combine, what type of bond is formed?

ionic

11

if Li and Br combine, what is their chemical formula?

LiBr

12

3000cm= __m

3m

13

2kg= __g

2000g

14

the amount of matter in an object is called its

mass

15

the amount of space an object occupies is called its

volume

16

which phase of matter has the greatest amount of energy?

gas

17

what is the law of conservation of mass?

the mass before a reaction equals the mass after a reaction in a closed system

18

what is devon doing?

thinking about the taco bell saga

19

did you watch the taco bell saga music video yet?

GO WATCH IT

20

what is the best video trilogy on youtube?

the longboard rodeo tango

21

what is the formula for density?

M/V

22

what type of reaction is
2H2o --> 2H2+ O2

decomposition

23

Al + PO4 --> AlPO4

synthesis

24

Al2O3 + 2B --> Al + B2O3

single replacement