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L 8.4 Periodic Table - G8 Flashcards | StudBud

Explore/L 8.4 Periodic Table - G8

L 8.4 Periodic Table - G8

9 terms·StudBud Administration·79 plays

Grade 8

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Questions 9

Answers

1
Atomic number is also equal to the number of ________.
protons
electrons
atoms
neutrons
2
Atomic Number
51.9961
28
Cr
24
3
Atomic Symbol?
131.293
Xe
54
Xenon
4
The sum of the number of neutrons and protons in an atomic nucleus.
electric configuration
mass number
atomic number
atomic mass
5
Chemical structure of Water
2 atoms oxygen, 1 atom hydrogen
2 atoms oxygen, 2 atoms hydrogen
1 atom oxygen, 2 atoms hydrogen
1 atom carbon, 2 atoms hydrogen
6
What is the structure of an Atom?
Protons and electrons are in the nucleus, while Neutrons are outside
Protons and Neutrons are in the nucleus, while electrons are outside
7
What is the atomic mass of Neon?
Ne
20
10
20.1797
8
What is the atomic structure of salt?
One sodium atom and one carbon atom
One nitrogen atom and one chlorine atom
One sodium atom and one chlorine atom
One nitrogen atom, one argon atom, and one chlorine atom
9
What is the electric arrangement of this element?
2 - 5
2 - 6
2 - 8 - 6
2 - 8