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Atoms and Periodic Table
Atoms and Periodic Table
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basic atom knowledge, sixth grade #atoms
Flashcards
41 cards
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Questions
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Answers
1
The place that neutrons and protons are in an atom is the :
quark
orbit
electron cloud
nucleus
2
Two elements in the same period are
P and Cl
Al and Ga
N and As
Cl and Kr
3
In one atom of silver nitrate AgNO
3
there are
one silver atom, one nitrogen atom, and three oxygen atoms
three silver atoms, three nitrogen, three oxygen
one silver atom, three nitrogen atoms, and one oxygen atom
one gold atom, three nitrogen atoms, one oxygen
4
When an atom loses an electron, it becomes a
positive ion
isotope
negative ion
atom
5
Two elements in the same family are
Si and P
Al and Ga
Cl and Kr
P and Cl
6
What is the neutral charged subatomic particle called
electron
neutron
proton
nucleus
7
Electrons make up nearly the entire mass of the atom.
True
False
8
An atom of Cadmium has atomic mass of 112.4 and its atomic number is 48
it has 48 neutrons
it hass 112 electrons
it has 64 electrons
it has 64 neutrons
9
What is the atomic mass or atomic weight of an atom that has 5 protons, 5 electrons, and 6 neutrons?
11
10
5
6
10
This is a molecule of
NaCl
CH4
H20
NH3
11
The positive charged subatomic particle is
neutron
electron
proton
quark
12
Fluorine has atomic mass of 19. Its atomic number is 9, what can you infer?
it has 10 neutrons
it has nine neutrons
it has 19 protons
it has 10 electrons
13
How many protons does Boron have?
4
9
cannot determine
5
14
Which particle of the atom is the lightest and moves readily?
isotope
proton
neutron
electron
15
Which best explains the order of the atomic numbers of the elements on the Periodic Table?
atomic numbers increase and same for each members of family
atomic numbers increase as read left to right across period
atomic numbers are same for each period
atomic numbers increase read right to left across period
16
What is Beryllium's atomic number?
5
4
2
unable to determine from image
17
Elements with similar properties
belong to the same family or group
have the same atomic weight
belong to the same period
have the same atomic number
18
The number of protons in one atom of Beryllium is
5
4
9
10
19
This is a molecule of
SiO2 silicon dioxide
CO2 carbon dioxide
P2O5 phosphorus pentoxide
HCl hydrogen chloride
20
The diagram shows a Bohr model of an atom. How many valence electrons does the atom have?
13
2
8
12
21
The electrons are found in the
neutron
nucleus
electron cloud
they do not exist - they are not real
22
Carbon is in family 14 and in period 2 so
it has 14 energy levels and 2 valence electrons
it has 14 valence electrons and 2 energy levels
it has 2 valence electrons and 4 energy levels
it has 4 valence electrons and 2 energy levels
23
The negative charged subatomic particle is called
proton
nucleus
neutron
electron
24
Which two particles that make up the atom have approximately the same mass?
neutron and nucleus
proton and electron
electron and neutron
proton and neutron
25
An atom is the smallest unit of a substance that still has the properties of a substance.
True
False
26
If you know the amount of protons in an atom, you can identify what element it is.
False
True
27
Atoms make up all matter is called the
chaos theory
theory of everything
cell theory
atomic theory
28
What must happen for an ion to form?
an atom must gain or lose an electron
an atom must gain or lose a neutron
an atom must gain or lose a nucleus
an atom must gain or lose a proton
29
How many neutrons in one atom of lithium?
unable to determine
3
7
4
30
How many valence electrons does Calcium have?
unable to determine from image
2
18
20
31
The number of electrons in one atom of cadmium is
112.411
64
unable to determine
48
32
This is a molecule of
NaCl
H20
CH4
NH3
33
The number of neutrons in one atom of Boron is
5
cannot determine
6
10.811
34
What is another name for atomic weight besides atomic mass?
atomic number
# of protons
mass number
nucleus
35
In what part of an atom can protons be found?
outer shells
electron cloud
inside the neutrons
inside the nucleus
36
What do carbon - 12 different and carbon - 14 have in common?
have the same number of neutrons
have the same number of protons
have the same atomic mass
have the same atomic weight
37
All matter is made of
protons
atoms
electrons
neutrons
38
What do elements in same group on periodic table have in common?
they are in the same period
same atomic number
they have the same atomic mass
they have the same number of valence electrons
39
The number of neutrons in one atom of aluminum is?
40
13
26.98
14
40
When an atom has more or less neutrons, it is called
isotope
ion
molecule
compound
41
How is oxygen - 16 different from oxygen - 18?
have a different number of electrons
they are different elements
have a different number of protons
have a different number of neutrons
