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UIV Atomic Structure and Periodic Table Flashcards | StudBud
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UIV Atomic Structure and Periodic Table
UIV Atomic Structure and Periodic Table
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You will need your Periodic Table for this!
Flashcards
15 cards
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Questions
15
Answers
1
A neutral molecule contains two H atoms and one O atom. How many electrons does it contain?
16
18
8
10
2
A particle contains 7 protons and 10 electrons. What is its overall charge?
3+
-
3-
+
3
Which of these is in Period 3?
Beryllium (Be)
Magnesium (Mg)
Calcium (Ca)
Strontium (Sr)
4
Which element is in group 5 Period 4?
Phosphorus (P)
Selenium (Se)
Arsenic (As)
Silicon (Si)
5
What is the atomic number of Neon (Ne)?
10
4
20
35
6
Which of these is not a metal?
Aluminium (Al)
Cadmium (Cd)
Sodium (Na)
Chlorine (Cl)
7
Which of these is in group 2?
Fe
Be
K
Ne
8
Which of these describes how you find the mass of an atom?
Electrons + neutrons
Electrons + protons
Protons + neutrons
9
Which element has atoms that contain 15 protons?
Oxygen (O)
Nitrogen (N)
Phosphorus (P)
Calcium (Ca)
10
What is the atomic mass of lithium (Li)?
11
3
9
7
11
A molecule contains two atoms of fluorine (F). How many neutrons does it contain?
19
20
18
10
12
Which of these is a liquid at room temperature?
Vanadium
Iodine
Oxygen
Bromine
13
What is the charge of a proton?
1+
1-
0
14
A molecule contains two sulfur atoms and one oxygen atom. How many protons does it contain?
32
55
40
80
15
Where are the electrons in an atom?
In the nucleus
In shells surrounding the nucleus
In the cell membrane
