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Chemistry Mocks

Description

Especially made for year 9 students of BYA to prepare for the upcoming mock exam in 9 days.
Greiane C
Quiz by Greiane C, updated more than 1 year ago
Greiane C
Created by Greiane C almost 7 years ago
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Resource summary

Question 1

Question
Who came up with an idea in 460-370 BC that atoms existed , couldn't split or destroy them?
Answer
  • Dalton
  • Democritus
  • Thomson
  • Rutherford

Question 2

Question
Who came up with an idea in 1800's that atoms are hard spheres with differing properties?
Answer
  • Dalton
  • Thomson
  • Rutherford
  • Democritus

Question 3

Question
Who discovered electrons in 1897 and came up with the Plum Pudding model?
Answer
  • Rutherford
  • Thomson
  • Democritus
  • Dalton

Question 4

Question
Who had a gold foil experiment in 1911 that made the plum pudding model wrong , and came up with an idea that most of an atom is an empty space?
Answer
  • Rutherford
  • Democritus
  • Dalton
  • Thomson

Question 5

Question
What did Bohr-Rutherford came up with in 1912?
Answer
  • He came up with an idea that electrons are in energy shells and they orbit around the nucleus
  • He came up with an idea that nucleus are full of dejunctional energy
  • He came up with an idea that atoms are small hard spheres
  • He came up with an idea that people just dream so big but end up in a street.
  • He came up with an idea that the atom particles consists of further smaller parts.

Question 6

Question
Electrons always [blank_start]equal[blank_end] the number of protons
Answer
  • equal

Question 7

Question
Protons have a charge of [blank_start]+ve[blank_end] and a mass of [blank_start]1[blank_end]
Answer
  • +ve
  • 1

Question 8

Question
Electrons have a charge of [blank_start]-ve[blank_end] and a mass of [blank_start]1/1836[blank_end]
Answer
  • -ve
  • 1/1836

Question 9

Question
Neutrons have a charge of [blank_start]0[blank_end] and a mass of [blank_start]1[blank_end]
Answer
  • 0
  • 1

Question 10

Question
Atomic mass and mass number the same thing?
Answer
  • True
  • False

Question 11

Question
Mass number // Atomic mass : It is the number of [blank_start]protons[blank_end] and [blank_start]electrons[blank_end] in an atom . *Put it in plural form and make the answer with a letter P starting on it first.*
Answer
  • protons
  • electrons

Question 12

Question
Which one is the atomic mass and the atomic number?
Image:
Mobile upload (image/jpeg)
Answer
  • Atomic number
  • Mass number

Question 13

Question
Get a periodic table and fill the missing answers.
Image:
Mobile upload (image/jpeg)
Answer
  • 11
  • 23
  • 11
  • 11
  • 12

Question 14

Question
Isotopes are the different atoms of the same element containing the [blank_start]same[blank_end] number of [blank_start]protons[blank_end] but different amount of [blank_start]neutrons[blank_end].
Answer
  • same
  • protons
  • neutrons

Question 15

Question
Isotopes , fill in how many protons and neutrons in each isotope . Ignore the electrons .
Image:
Mobile upload (image/jpeg)
Answer
  • 6
  • 6
  • 6
  • 6
  • 7
  • 8

Question 16

Question
[blank_start]Omitri[blank_end] [blank_start]Mandelev[blank_end] created the periodic table in [blank_start]1869[blank_end] , he arranged it in order of [blank_start]increasing[blank_end] atomic mass.
Answer
  • Omitri
  • Mandelev
  • 1869
  • increasing

Question 17

Question
Electron configuration. The first energy shell can hold a maximum of [blank_start]2[blank_end] electrons , the second and so on can hold a maximum of [blank_start]8[blank_end] electrons.
Answer
  • 2
  • 8

Question 18

Question
The electric configuration for sodium is 2.[blank_start]8[blank_end].[blank_start]1[blank_end].
Answer
  • 8
  • 1

Question 19

Question
An Ion is an [blank_start]electrically[blank_end] charged particle
Answer
  • electrically

Question 20

Question
Ionic bonding=[blank_start]Transfer[blank_end] of [blank_start]electrons[blank_end].
Answer
  • Transfer
  • electrons

Question 21

Question
One way of atoms of different elements forming chemical bonds to make a new compound is by IONIC BONDING
Answer
  • True
  • False

Question 22

Question
The element that loses its electron will become [blank_start]positive[blank_end] and the element that gains the electron will become [blank_start]negative.[blank_end]
Answer
  • positive
  • negative.

Question 23

Question
Which one is the Anion and the Cation?
Image:
Mobile upload (image/jpeg)
Answer
  • cation
  • anion

Question 24

Question
Read the image .
Image:
Mobile upload (image/jpeg)
Answer
  • True
  • False

Question 25

Question
Read the image.
Image:
Mobile upload (image/jpeg)
Answer
  • True
  • False

Question 26

Question
What's the name of the new compound ?
Image:
Mobile upload (image/jpeg)
Answer
  • calcium sulfide

Question 27

Question
In potassium sulfate , there's potassium , sulphur , and [blank_start]oxygen[blank_end] .
Answer
  • oxygen

Question 28

Question
Depending on the group number , you can find out the valency number.
Answer
  • True
  • False

Question 29

Question
From group number 1-8 , list the valencies from the 1st group number to the last.
Answer
  • 1 , 2 , 3 , 4 ,3 , 2 , 1 ,0
  • 2 , 6 , 8 ,10 , 12 ,14 ,16 , 18
  • 3 , 2 , 4 ,1 , 5 , 6 ,7 ,8

Question 30

Question
The diatomic elements are B[blank_start]romine[blank_end] , I[blank_start]odine[blank_end] , n[blank_start]itrogen[blank_end] , chlorine , oxygen , and fluorine .
Answer
  • romine
  • odine
  • itrogen

Question 31

Question
Transition metals valency is always [blank_start]2[blank_end] unless told otherwise by Roman numerals.
Answer
  • 2
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