NEW
Font size
S
M
L
XL
WorksheetsPhysical Science Weighted average and bohr models
Total questions: 9
Worksheet time: 19mins
Name
Class
Date
1.
On the semester final, Joe scored 85, Jill scored 89, and Bill scored a 99.What was the average score for these students? _________
a)
91
b)
273
2.
Mary read six books in January, four books in February, and eight books in March.What was the average number of books read each month? __________
a)
18
b)
6
c)
14
3.
Find the class grade for a student with grades: Test 89%, Quiz 92, Homework 86%, and Classwork 95%.
Tests are 60% of the grade, Quiz 15%, Homework is 10% of the grade, and Classwork is 15% of the grade.
Tests are 60% of the grade, Quiz 15%, Homework is 10% of the grade, and Classwork is 15% of the grade.
a)
89.25
b)
91.55
c)
90.05
d)
i don't know
4.
A student's grade in a Psychology course is comprised of tests (40%), quizzes (20%), papers (20%), and a final project (20%). His scores for each of the categories are 85 (tests), 100 (quizzes), 92 (papers) and 84 (final project). Calculate his overall grade.
a)
90.25
b)
88.2
c)
89.2
d)
86.7
5.
The diagram below is the bohr model of an atom. Which best describes this atom?
a)
it has a full outermost shell
b)
it has 6 valence electrons
c)
it has a positive charge
d)
it has 6 electrons
6.
The diagram represents an element. Which best describes this element?
a)
10 protons and 9 neutrons in the nucleus
b)
9 protons and 9 neutrons in the nucleus
c)
2 electrons in the first energy level; 8 electrons in the second energy level
d)
2 electrons in the first energy level; 7 electrons in the second energy level
7.
What is this element?
a)
Beryllium (atomic #4)
b)
Boron (atomic #5)
c)
Carbon (atomic #6)
d)
Nitrogen (atomic #7)
8.
What element is represented in this Bohr Model?
a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
9.
What element does this Bohr model represent?
a)
Chromium
b)
Magnesium
c)
Carbon
d)
Krypton
Reset
