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SNC2D: U1 - Periodic Table Review Flashcards | StudBud
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SNC2D: U1 - Periodic Table Review
SNC2D: U1 - Periodic Table Review
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#Ms.Giroux #SNC2D
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
Shows the location and number of protons, neutrons, and electrons of atoms?
Bohr Rutherford Diagram
All of the above
pH Scale
Lewis Dot Diagram
2
What family does beryllium belong to?
Halogens
Noble Gases
Alkali Metals
Alkaline Earth Metals
3
Which of the following elements is a metalloid?
Krypton
Bromine
Sodium
Silicon
4
Pure substance; can’t be broken down into simpler substances?
Molecule
Ion
Element
Atom
5
Which of the following elements has
3
valence electrons?
Carbon
Oxygen
Boron
Beryllium
6
What is the atomic number of carbon (C)?
18
16
12
6
7
What group number are the alkaline earth metals?
18
1
17
2
8
How many neutrons does fluorine have?
19
9
-1
10
9
What is true about atomic number?
Equal to the #protons
All of the above
Equal to the #electrons
Determines which element is which
10
What is false about lithium?
It has 4 electrons
It has 4 neutrons
It has 3 protons
It has 3 electrons
11
What is the name of group 17?
Alkaline Earth Metals
Noble Gases
Alkali Metals
Halogens
12
Which is false?
Hydrogen is a metal
Majority of elements are metals
Non-metals are right of the staircase
Metals are left of the staircase
13
What is the name of the horizontal rows on the periodic table?
Periods
Groups
Families
Columns
14
What do elements in the same group (column) of the periodic table have in common?
The same number of valence electrons
The same atomic mass
The same number of neutrons
The same number of electron shells
15
Which is false about potassium?
Period 3
21 neutrons
Atomic number is 19
Group 1
16
What trend is observed as you move from left to right across a period in the periodic table?
Elements become more metallic
Reactivity of metals increases
Atomic size increases
Number of valence electrons increase
17
Which is false about the periodic table?
Universal
18 periods
18 groups
Organized by atomic number
18
Which element is in period 3 and group 2 of the periodic table?
Magnesium
Sodium
Calcium
Aluminum
19
What is false about the transition metals?
Tin is a transition metal
Some need roman numerals when naming
Some have multiple ionic charges
Group 3-12
20
Why are noble gases (Group 18) unreactive?
They are all metals
They have very low atomic mass
They have an odd number of electrons
They have a full outer electron shell
21
Which of the following elements is a noble gas?
Sodium
Oxygen
Magnesium
Neon
22
What is false about atomic mass?
Increases with atomic number
#protons + #neutrons
Larger of the two values shown in standard notation
#protons
23
Which is false?
Metalloids are along the staircase
Periods are horizontal rows
Aluminum is a metalloid
Groups (families) are vertical columns
24
How many valence electrons does the first energy level (orbit) hold?
1
Any number
8
2
25
Which subatomic particles are found in the nucleus?
Protons
Neutrons
Electrons and neutrons
Protons and neutrons
