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Year 10 Science - Periodic Table & Chemistry Flashcards | StudBud
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Year 10 Science - Periodic Table & Chemistry
Year 10 Science - Periodic Table & Chemistry
26 terms
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#periodic #table #chemistry #elements
Flashcards
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Questions
26
Answers
1
Which element has 14 neutrons?
Nitrogen
Aluminium
Carbon
Silicon
2
Groups of the Periodic table are
the horizontal rows.
the vertical columns.
3
Calcium has 20 protons. How many electrons does it have?
60
20
none
40
4
Is the image shown a molecule or compound?
Neither
Only a compound.
Both
Only a molecule.
5
Which of the following have a positive charge?
Protons
Atoms
Neutrons
Electrons
6
How many electrons can the first shell hold?
1
8
10
2
7
How many oxygen atoms are in this formula?
7
3
12
4
8
The group of metals in the middle of the Periodic table are called
Transition Metals
Metalloids
Alkali Metals
Noble Gases
9
Periods of the Periodic table are
the horizontal rows.
the vertical columns.
10
Which element would have similar characteristics to Lithium?
Beryllium
Potassium
Oxygen
Sodium
11
In a neutral atom....
There are more protons than neutrons.
There are more electrons than protons.
There is the same number of protons and electrons.
There are more protons than electrons.
12
How many Carbon Atoms are in this chemical formula?
4
10
8
2
13
The formula to determine the number of Neutrons is
Atomic Number minus Atomic Mass
Atomic Mass plus Atomic Number
Atomic Mass minus Atomic Number
It's the same as the number of Protons.
14
The electrons in the outer-most shell of an atom are called
Protons
Valence electrons
Grand electrons
Weak electrons
15
Which of the following is NOT a characteristic of a metal?
Flatten but don't shatter
React with acid to form Hydrogen
Melt easily
Conduct electricity
16
The Modern Periodic Table is arranged in order of increasing...
Atomic Number
Atomic Size
Atomic Charge
Atomic Mass
17
Which of the following is NOT a metal?
Magnesium
Calcium
Silver
Nitrogen
18
Which is a general characteristic of
nonmetals
?
Ductile
Good Conductors
Malleable
Poor Conductors
19
Which element is in Group 1, Period 3?
Boron
Hydrogen
Sodium
Lithium
20
Elements along the staircase of the Periodic Table are known as
Metalloids
Poor metals
Other nonmetals
Non-metals
21
How many electrons can the 2nd, 3rd and 4th shell hold?
16
2
10
8
22
Which element has twice as many electrons as Fluorine?
Argon
Potassium
Chlorine
Lithium
23
What would be the written electron configuration of this element?
2, 8, 5
2, 8, 8, 5
2, 2, 8
8, 2, 5
24
If Chlorine has an atomic mass of 35, and an atomic number of 17, how many neutrons does it have?
35
52
18
17
25
Which of the following is FALSE about Valence Electrons?
Valence electrons increase down a group.
Valence electrons increase across a period.
The group number indicates the number of valence electrons.
All elements in the same group have the same no. of Valence electrons.
26
As you move across a period, which is true?
The number of electron shells stays the same.
The number of electrons decrease
The number of valence electrons stay the same.
The number of electron shells decrease
