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Chemistry Quiz (7C) Flashcards | StudBud
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Chemistry Quiz (7C)
Chemistry Quiz (7C)
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YOU CAN NOT USE A PERIODIC TABLE FOR THIS QUIZ!
Flashcards
10 cards
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Questions
10
Answers
1
What has 15.999 has its atomic mass?
Helium
Nitrogen
Oxygen
Fluorine
2
What is the number of valence electrons in the
halogens
column?
4
2
7
6
3
What is the total amount of electrons once you get to the 3rd energy level?
16
8
18
2
4
What is in the Nucleus?
Electrons + Neutrons
Protons + Electrons
Protons + Valence Electrons
Protons + Neutrons
5
How do find the atomic mass of an element?
Proton plus Neutron
Proton divide by Electron
Proton plus Electron
Proton subtracted by Neutron
6
What is K in the periodic table?
Argon
Silicon
Potassium
Calcium
7
What is Hydrogen's atomic mass?
1.006
1.005
1.007
1.008
8
What are the two most reactive groups in the periodic table?
Alkali metals & Alkaline earth metals
halogens & Alkaline earth metals
Alkali metals & halogens
9
When to elements come together what do they form?
Molecule
Atom
Subatomic Particle
10
What has 10 protons and 10 electrons?
Neon
Flourine
Sodium
Magnesium
