How many valence electrons are in an atom of each element in Group 15 in the periodic table?
(answer should be a number only: example- 8)
Chemical Behavior of Elements
Quiz
•
Science
•
8th Grade
•
Hard
Pamela Tenerife
Used 14+ times
FREE Resource
15 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
How many valence electrons are in an atom of each element in Group 15 in the periodic table?
(answer should be a number only: example- 8)
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The periodic table is organized into groups and periods of elements. The characteristics of a certain group of elements are listed below.
Which of these elements is in this group?
Lithium
Strontium
Aluminum
Silicon
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Most metals are ______ at room temperature.
solid
liquid
gas
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Four students were asked to complete a table for a science assignment. Each student selected one chemical element from each of four groups in the periodic table and then classified each element as a metal, nonmetal or metalloid. Which table was completed correctly?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons are in this element?
39
19
20
21
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic mass of Copper
atomic mass is 20
atomic mass is 63
atomic mass is 64
atomic mass is 15
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How should potassium, calcium, arsenic and bromine be arranged in order of increasing number of protons in the nucleus?
K, As. Ca, Br
K, Ca, Br, As
K, Ca, As, Br
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