Semester 1 PreAs
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens to the charge of a neutral atom when an electron is added?
Back
The charge becomes negative.
2.
FLASHCARD QUESTION
Front
Where do the most reactive metals appear on the periodic table?
Back
On the left side.
3.
FLASHCARD QUESTION
Front
Which element is classified as a metal: I, Si, Ca, or B?
Back
Ca (Calcium) is a metal.
4.
FLASHCARD QUESTION
Front
What changes in a neutral atom when a neutron is added?
Back
The atomic mass increases.
5.
FLASHCARD QUESTION
Front
Where do the most electronegative elements appear on the periodic table?
Back
On the right side.
6.
FLASHCARD QUESTION
Front
What is the atomic number of an element?
Back
The number of protons in the nucleus of an atom.
7.
FLASHCARD QUESTION
Front
What is the significance of the periodic table's left side?
Back
It contains the most reactive metals.
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