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8th grade quiz for those that don't study or review.

Total questions: 24

Worksheet time: 22mins

Name
Class
Date
1.

What is the correct formula for slope from a graph?

a)

Slope = rise x run 

b)

run + run /  72 = Slope

c)

Slope = rise / run

d)

y,x / x,y = Slope

2.

What does the atomic number of an element also determine?

a)

Size of the element and where it would be found

b)

What type of element and the color

c)

The number of electrons and protons

d)

The number of shells and the column

3.

What is the correct formula for slope from two points?

a)

Slope = (x1 / x2) x (y1 / y2)

b)

Slope = y2 - y1 / x2 - x1

c)

Slope = 182 - y x 2

4.

Which is the correct atomic number for He?

a)

1

b)

34

c)

5

d)

2

5.

Which is the correct equation to plug your numbers into to find the slope using two points?

a)

(y1−x2)x(y2−x1)\left(y1-x2\right)x\left(y2-x1\right)

b)

y1 − x2 + y2−x1y1\ -\ x2\ +\ y2-x1

c)

y1−x1y2−x2\frac{y1-x1}{y2-x2}

d)

y2−y1x2−x1\frac{y2-y1}{x2-x1}

6.

Which answer choice tells you the correct determination of the acronym you learned to help with the Identify the atomic number? Remember A = atomic number, M = mass, N = neutrons, E = electrons

a)

P = protons x M= massP\ =\ protons\ x\ M=\ mass

b)

A = P = E      M = A - N

c)

34Pr⁡otons\frac{34}{\Pr otons}

d)

M = A = P      E = N - A

7.

The periodic table mainly made up of (a)   .

8.

What are the vertical columns on the periodic table called?

a)

groups

b)

periods

c)

protons

d)

valence electrons

9.
In the equation y=mx+b, what does the m represent?
a)
slope
b)
y-intercept
c)
linear
d)
point-slope
10.
Slope is know as rise/
a)
run
b)
fall
c)
none
d)
rise
11.

Using just the valence electrons on each atom determine which 2 atoms should be in the same group.

a)

atom 1 and 2

b)

atom 3 and 4

c)

atom 1 and 4

d)

atom 2 and 3

12.

the positively charged subatomic particle contained in the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

13.

a subatomic particle, contained in the nucleus of an atom, having the same mass as a proton but no electrical charge

a)

proton

b)

neutron

c)

electron

d)

matter

14.

a negatively charged subatomic particle that orbits the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

15.

an arrangement of the elements according to their atomic numbers so that elements with similar properties are in the same column and properties repeat from row to row

a)

Periodic Table of Elements

b)

Atomic Theory

c)

Isotopes

d)

Subatomic Particles

16.
Find the slope
a)
4/5
b)
5/4
c)
-5/4
d)
-4/5
17.
Find the slope of the line that passes through:
(5, -10) and (5, -4)
a)
undefined
b)
0
c)
- 14/10
d)
10/14
18.

What is the Slope represented in this table?

a)

slope: −14-\frac{1}{4}

b)

slope: −4-4

c)

slope: 14\frac{1}{4}

d)

slope: 44

19.
What is the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
20.

the basic structural unit of matter

a)

atom

b)

matter

c)

element

d)

nucleus

21.
periodic table
a)
an arrangement of the elements in order of their atomic numbers so that elements with similar properties appear in the same vertical column or group
b)
a row of chemical elements in order by atomic number
c)
a column of elements, they are often very similar in how they look and act
d)
a pure substance made up of only one type of atom
e)
the number of protons in the nucleus of an atom
22.
group
a)
a column of elements, they are often very similar in how they look and act
b)
a pure substance made up of only one type of atom
c)
the number of protons in the nucleus of an atom
d)
an arrangement of the elements in order of their atomic numbers so that elements with similar properties appear in the same vertical column or group
e)
a row of chemical elements in order by atomic number
23.
period
a)
a row of chemical elements in order by atomic number
b)
a column of elements, they are often very similar in how they look and act
c)
a pure substance made up of only one type of atom
d)
the number of protons in the nucleus of an atom
e)
an arrangement of the elements in order of their atomic numbers so that elements with similar properties appear in the same vertical column or group
24.

What is the name of group number 1?

a)

halogens

b)

noble gases

c)

alkali metals

d)

alkaline earth metals

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