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Atomic structure and the Periodic Table Flashcards | StudBud
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Atomic structure and the Periodic Table
Atomic structure and the Periodic Table
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//Atomic structure and the Periodic Table
Flashcards
53 cards
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Questions
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Answers
1
....is the special name for group 1 elements
Alkali metals
Transition metals
Halogens
Alkaline earth metals
2
How many electron shells does a sodium atom have?
2
5
3
4
3
These elements are nonmetals
Phosphorous
Sodium
Silicon
Boron
4
is an element in the same group as Boron
Li
Zn
Cl
Al
5
In the Periodic Table, Vertical columns are called...
Groups
Periods
6
These elements are found in Period 2
Carbon
Sodium
Aluminium
Nitrogen
7
Which particle is electrically neutral?
Proton
Neutron
Electron
8
Which scientist discovered the nucleus in an atom
Bohr
Rutherford
Dalton
JJ Thomson
9
This element has the largest atomic number of the four
Silicon
Magnesium
Phosphorous
Sodium
10
A metal that is a liquid at room temperture
Mercury
Sliver
Platinum
Gold
11
The maximum number of electrons in the first shell after the nucleus is...
4
2
8
1
12
One of these scientists was not involved in the development of the atomic theory
Mendeleev
Bohr
JJ Thomson
Rutherford
13
Which of the following nonmetals is the most reactive
Bromine
Fourine
Iodine
Chlorine
14
These elements are alkali metals
Potassium
Beryllium
Lithium
Calcium
15
These elements are inert
Neon
Hydrogen
Nitogen
Argon
16
All substances are made up of..
Atoms
Ions
Radicals
Molecules
17
These elements are found in group 7
Iodine
Fluorine
Argon
Sulfur
18
....is the special name for group 8 elements
Noble gases
Alkali metals
Halogens
Alkaline earth metals
19
Which particle almost has no mass
Neutron
Electron
Proton
20
...is a liquid at room temperature
Chlorine
Iodine
Flourine
Bromine
21
...is a nonmetal which is a solid at room temperature
Nitrogen
Carbon
Oxygen
Neon
22
The nucleus is overall positive because it contains...
Protons
Electrons
Neutrons
23
...are elements in the same Period as Aluminium
K
Mg
F
Na
24
The chemical symbol for Copper is
Cu
cu
C
Co
25
This group contains the most reactive metals on the Periodic table
Group 2
Group 1
Goup 4
Group 3
26
In the Periodic Table, Horizontal Rows are called...
Periods
Groups
27
The number of protons in the nucleus of an atom is called?
Electron number
Atomic number
Nucleon number
28
Which of the following metals is the most reactive
Potassium
Sodium
Lithium
Rubidium
29
...is a soft metal that can be cut through by a knife
Magnesium
Calcium
Beryllium
lithium
30
...are chemical symbols for elements in group 7
Br
Kr
Cl
F
31
....is the special name for group 7 elements
Transition metals
Alkali metals
Alkaline earth metals
Halogens
32
This group contains the most reactive nonmetals on the Periodic table
Group 6
Group 7
Group 5
Group 8
33
Calcium has the electron arrangement 2,8,8,2. in which group of the Periodic table is it found
3
2
1
4
34
...is an element with six protons
Nitrogen
Carbon
Oxygen
Neon
35
Which particle is electrically positive?
Neutron
Electron
Proton
36
Isotopes have
Same number of neutrons, different number of protons
Same number of neutrons, different number of electrons
Same number of protons, different number of electrons
Same number of protons, different number of neutrons
37
A substance containing only one type of particle/ atoms is called
Compound
Mixture
Molecule
Element
38
Chlorine has the electron arrangement 2,8,7 in which Period of the Periodic table is it found
1
2
7
3
39
the outer shell of these elements contain only 2 electrons
Oxgen
Calcium
Magnesium
Sufur
40
Which particle is electrically negative?
Neutron
Proton
Electron
41
Which statements about the Periodic Table are correct
The melting point decreases down group 1
The melting point increases down group 7
The reactivity decreases down group 7
The reactivity decreases down group 1
42
An atom is neutral because it contains...
same number of protons and electrons
same number of protons and neutrons
Same number of electrons and neutrons
43
The nucleus of an atom is made up of...
electrons
Protons
neutrons
44
Which element has the electron arrangement 2,6
Nitrogen
Fluorine
Carbon
Oxygen
45
Chemical symbol for beryllium
BE
Be
B
be
46
The formula of a molecule of Chlorine
Cl2
Cl2
Cl
47
....is the special name for group 2 elements
Transition metals
Alkaline earth metals
Alkali metals
Halogens
48
Mass number refers to the total of...
Protons and neutrons
Electrons and neutrons
Protons and electrons
49
...is the number of protons in sodium
12
11
23
24
50
The products formed when alkali metals react with cold water
Hydrogen
Metal chloride
Oxygen
Metal Hydroxide
51
How many protons are in a nitrogen atom?
7
14
5
9
52
These two elements are gases at room temperature
Chlorine and bromine
Iodine and bromine
Fluorine and iodine
Chlorine and Fluorine
53
Which element contains only two electrons in its atom?
Hydrogen
Lithium
Beryllium
Helium