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Question 1(Multiple Choice Worth 3 points)
How many valence electrons are in an atom with the electron configuration in example A?
Example A: 1s22s22p63s23p64s24p2
22
2
4
6
Question 2(Multiple Choice Worth 2 points)
Element A has seven valence electrons. How does its reactivity compare to that of element B, which has four valence electrons?
Element A is more reactive.
Element A is less reactive.
Element A and B have the same reactivity.
Element A has no reactivity.
Question 3 (True/False Worth 2 points)
(03.03 LC)
The s subshell can hold up to two electrons in an atom.
True
False
Question 4 (Fill-In-The-Blank Worth 2 points)
The element boron has valence electrons. (Input only a whole number, such as 7.)
Numerical Answers Expected!
Answer for Blank 1:
Question 5(Multiple Choice Worth 3 points)
Which element is represented by the electron configuration in example B?
Example B: 1s22s22p63s23p64s1
Aluminum
Cesium
Potassium
Arsenic
Question 6 (True/False Worth 2 points)
Lead has more valence electrons than carbon.
True
False
Question 7 (Matching Worth 4 points)
Match the element with its number of valence electrons.
Match Term Definition
Nitrogen A) 5
Silicon B) 2
Oxygen C) 6
Magnesium D) 4
Question 8(Multiple Choice Worth 2 points)
Which of the following elements is inert, meaning it is not reactive?
Cesium
Gold
Iodine
Xenon
Answers: 3
Chemistry, 22.06.2019 10:40, justicejesusfreak
Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3
Answers: 1
Chemistry, 23.06.2019 01:30, yarrito20011307
Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
IF YOU ANSWER ALL CORRECTLY, BRAINLIEST, 100 POINTS, 5 STARS, THANKS, AND YOU ARE COOL!
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