WorksheetsSC.8.P.8.8 Standard 6 Test Prep
Total questions: 31
Worksheet time: 16mins
Name
Class
Date
1.
Sodium chloride, which is table salt, is neutral. What is the pH of sodium chloride?
a)
8
b)
14
c)
7
d)
0
2.
Some compounds are classified as acids or bases.
a)
true
b)
false
3.
The lower the pH, the more acidic a compound is.
a)
true
b)
false
4.
The higher the pH, the more basic it is.
a)
true
b)
false
5.
Baking Soda, a compound commonly found in medicines, has a pH of 9. Which of these phrases describes sodium hydroxide?
a)
slightly basic
b)
slightly acidic
c)
highly basic
d)
highly acidic
6.
Sucrose is a compound made from the elements carbon, hydrogen, and oxygen. Which statement best describes the properties of sucrose?
a)
They are similar to the properties of carbon.
b)
They are similar to the properties of oxygen.
c)
They are similar to the properties of hydrogen.
d)
They are different from the properties of all the elements sucrose contains.
7.
The periodic table has rows and columns that organize the elements by similarities. What is the name for a row in the periodic table?
a)
period
b)
group
c)
family
d)
section
8.
Which of the following describes how elements are arranged in the periodic table?
a)
by chemical name
b)
by repeating atomic number
c)
by increasing atomic number
d)
by decreasing atomic mass
9.
sulfur (S) has six valence electrons.
a)
elements in group 16
b)
elements in the same family
c)
elements in the same column
d)
all of the above
10.
What is the chemical name of silver?
a)
Ag
b)
Au
c)
Si
d)
S
11.
What is the atomic number of silver?
a)
32
b)
16
c)
47
d)
79
12.
What is the atomic mass of silver?
a)
32.07
b)
196.97
c)
78.96
d)
107.87
13.
Which of these elements would be the best conductor of electricity?
a)
krypton
b)
copper
c)
Oxygen
d)
fluorine
14.
Which element is in group 10 period 6?
a)
NIckel
b)
chromium
c)
Platinum
d)
tungsten
15.
The element with the atomic mass of 126.9 has what Chemical Symbol?
a)
Ir
b)
Id
c)
I
d)
Er
16.
Lithium (Li), Sodium (na), Potassium (K)and a few other elements are in thesame column in the periodic table. Whyare theses elements in the same column?
a)
They are the same size
b)
They have the same number of protons
c)
They react with each other
d)
They have similar properties
17.
IF a substance is to the right of this arrow it is described as:
a)
basic
b)
acidic
c)
alkaline
d)
basic or alkaline
18.
The majority of the metal elements that on the periodic table are on which side?
a)
the bottom of two rows
b)
in the Zig Zag line
c)
right
d)
Left
19.
What is the Ph of Water
a)
3
b)
6
c)
7
d)
9
20.
The periodic table has a lot of information in the form of letters and numbers.
a)
true
b)
false
21.
The information on the periodic table of elements is organized into boxes, which are placed in rows and stacked in columns
a)
true
b)
false
22.
Which of the following does each box on the Periodic table of elements represent?
a)
a compound
b)
a heterogeneous mixture
c)
a homogeneous mixture
d)
an element
23.
Which of the following is the same for all the elements in a given group of the periodic table?
a)
average atomic mass
b)
number of valence electrons
c)
number of neutrons
d)
atomic number
24.
To show how the elements are arranged according to their atomic numbers a person should a row (period) from:
a)
left to right
b)
top to bottom
c)
bottom to top
d)
right to left
25.
Which statement tells where the metalloids are located in the periodic table?
a)
Metalloids are the elements to the right of the zigzag line.
b)
Metalloids are the elements that do not border the zigzag line.
c)
Metalloids are the elements, except aluminum, that border the zigzag line.
d)
Metalloids are the elements to the left of the zigzag line.
26.
The metalloids are grouped in a certain section.
a)
true
b)
false
27.
if two elements are in the same group they must also be in the same:
a)
column
b)
family
c)
both the above
28.
you can identify the number of valence electrons by locating the group number.
a)
true
b)
false
29.
if you were looking for the valence electrons of this element and knew it was in group 16...what is the amount of valence electrons?
a)
32
b)
16
c)
6
d)
2
30.
if you were looking for the valence electrons of this element and knew it was in group 2...what is the amount of valence electrons?
a)
27
b)
2
c)
9
d)
4
31.
By looking at this image which groups can you NOT identify the valence electrons by just know the group number?
a)
3-12
b)
1-2
c)
13-18
100 %
