Physics, 13.08.2021 20:10, marieknight689
1.) Which option is a negatively charged ion?
A) chloride
b) chlorate
c) chlorite
d) chlorine
2.) When moving across a period from left to right in the periodic table, excluding transition elements, which trend occurs?
a)Valence electrons increase by one.
b)The energy levels increase by one.
c)Valence electrons decrease by one.
d)The energy levels decrease by one.
3.) Which information about an atom can a period number give you?
a)the number of valence electrons it has
b)the ionic charge it forms
c)how many bonds it will make
d)how many energy levels it has
4.) Fluorine has 7 valence electrons. Which charge is its ion likely to have?
a)5+
b)1–
c)5-
d)1+
5.)Which two elements in the list would bond together based on their ionic charges?
a)calcium and potassium
b)potassium and iodine
c)calcium and neon
d)potassium and neon
Use the list to answer the question.
potassium, Group 1
calcium, Group 2
iodine, Group 17
neon, Group 18
Answers: 3
Physics, 21.06.2019 23:30, jetblackcap
Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.
Answers: 3
Physics, 22.06.2019 10:30, legendman27
You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.
Answers: 3
1.) Which option is a negatively charged ion?
A) chloride
b) chlorate
c) chlorite
...
b) chlorate
c) chlorite
...
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