5431247
Description
Quiz by Ahmed Almohammed, updated more than 1 year ago
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Created by Ahmed Almohammed
almost 8 years ago
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Question 1
Answer
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Atoms are heavy solid balls.
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Atoms are tiny visible particles.
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Atoms are the building blocks of every substance in the world.
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Atoms are Lego blocks.
Question 2
Question
Which of the following are metallic?
Answer
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Iron
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Silicon
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Cobalt
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Calcium
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Phosophorus
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Sulfur
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Silver
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Uranium
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Krypton
Question 3
Question
Which of these properties best describes the non-metallic elements?
Answer
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Dull
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Malleable
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Brittle
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Conduct heat
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Ductile
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Doesn't conduct electricity
Question 4
Question
Elements are made up of just one type of atom.However, the atoms in elements can be arranged in different ways, these ways are :
-[blank_start]Monatomic[blank_end]
-[blank_start]Molecules[blank_end]
-[blank_start]Lattices[blank_end]
Answer
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Monatomic
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Molecules
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Lattices
Question 5
Answer
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Helium,Nitrogen,Carbon,Oxygen,Hydrogen,Phosphorus
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Xenon,Radon,Neon,Argon,Helium,Krypton
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Sulfur,Oxygen,helium,hydrogen,neon,Argon
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Xenon,Radon,Neon,Argon,Helium,hydrogen
Question 6
Question
In metal lattices,the atoms are only [blank_start]weakly joined[blank_end] to each other.As a result, metals can be bent and drawn into [blank_start]wires[blank_end].
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In [blank_start]non-metallic[blank_end] lattices, the atoms are [blank_start]strongly bonded[blank_end] to each other. This makes them hard and [blank_start]brittle[blank_end].
Answer
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weakly joined
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wires
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non-metallic
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strongly bonded
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brittle
Question 7
Question
Wha are the 6 elements that make up your body?
Answer
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Carbon
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Helium
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Iodine
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Hydrogen
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Nitrogen
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Phosphorus
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Calcium
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Oxygen
Question 8
Question
What is the chemical formula for glucose molecule?
<--------------------------
<--------------------------
<--------------------------
Answer
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H12,O6,C6
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O6,C6,H12
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C6,H12,O6
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C6,O6,H12
Question 9
Question
[blank_start]Alloys[blank_end] are a [blank_start]mixture[blank_end] of a metal with other metals or non-metals.Alloys are particularly important because they often have very [blank_start]different[blank_end] and [blank_start]useful[blank_end] properties compared to [blank_start]pure metal[blank_end]. For example:-
-[blank_start]Stainless steel[blank_end] for tools and cutlery
-[blank_start]Brass[blank_end] for doorknobs
-[blank_start]Sterling silver[blank_end] for jewellery.
Answer
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Alloys
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mixture
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different
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useful
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pure metal
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Stainless steel
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Brass
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Sterling silver
Question 10
Question
Scientists proposed that matter was composed of atoms well after STMs were invented.
Answer
- True
- False
Question 11
Question
John Dalton is considered to be the second person to propose the fundemental ideas behind the modern atomic theory of matter.
Answer
- True
- False
Question 12
Question
A scientific model is a/an ___________ idea that can be used to help make predictions or test assumptions.
____________=
Answer
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Expanded
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Easier
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Old
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Simplified
Question 13
Question
All matter is composed of indivisible particles called atoms.
Answer
- True
- False
Question 14
Question
Although there are countless types of [blank_start]matter[blank_end], there are only [blank_start]117[blank_end] known types of atoms.Each atom has a unique set of [blank_start]properties[blank_end]. These properties can be:-
-[blank_start]Physical properties[blank_end]
-[blank_start]Chemical properties[blank_end]
Answer
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matter
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117
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properties
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Physical properties
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Chemical properties
Question 15
Question
Label the following atom with the correct names
Answer
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Electron
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Proton
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Neutron
Question 16
Question
Which of these are the subatomic particles?
Answer
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Nucleus,neon,argon
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electron,proton,neutron
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neutron,proton,nucleus
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Neutron,neon,proton
Question 17
Question
Why is it that the electrons in atom don't fly off?
Answer
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This is science, i dont know!!!
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Because they are negatively charged
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Because protons are positively charged and electrons are negatively charge, they attract each other like the opposite poles of the magnet.
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The electron always has a "-", or negative, charge. The proton always has a "+", or positive, charge. If the charge of an entire atom is "0", or neutral, there are equal numbers of positive and negative charges. Neutral atoms have equal numbers of electrons and protons. The third particle is the neutron. It has a neutral charge, also known as a charge of zero.
Question 18
Question
Answer the folowing table about the properties of subatomic particles.
Answer
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In the Nucleus
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In the Nucleus
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In the Electron cloud
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x1800
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x1800
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x1
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+1
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0
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-1
Question 19
Question
A lithium atom has the atomic symbol <------------------------------------
<------------------------
Identify the:-
-Atomic number= [blank_start]3[blank_end]
-Mass number= [blank_start]7[blank_end]
-Number of Protons= [blank_start]3[blank_end]
-Number of Neutrons= [blank_start]4[blank_end]
-Number of Electrons= [blank_start]3[blank_end]
Answer
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3
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7
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3
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4
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3
Question 20
Answer
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Up to 2 electrons
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Up to 8 Electrons
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Up to 18 Electrons
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