WorksheetsUnit 1 Atoms/Periodic Table
Total questions: 50
Worksheet time: 53mins
When determining chemical properties/reactivity, the MOST important subatomic particle is ______
proton
neutron
electron
valence electron
How is the mass calculated for each element on the Periodic Table?
adding number of protons outside the nucleus
adding number of electrons outside the nucleus
adding number of protons and neutrons inside nucleus
adding number of protons and electrons outside nucleus
What is the symbol associated with protons?
positive (+)
negative (-)
no charge
neutral (0)
What symbol is associated with the electrical charge of the nucleus in an atom?
positive (+)
neutral (0)
negative (-)
What symbol is associated with letter C?
positive (+)
neutral (0)
negative (-)
no charge
An electrically neutral atom consists of 6 neutrons, 3 electrons, and a number of protons. What is its mass number?
9
3
6
12
Which Bohr model represents Flourine?
How many valence electrons does an atom with 11 protons have?
1
2
6
11
You're performing an experiment and you need an element with similar properties as arsenic (atomic # 33) but with a lower atomic mass. Which element should you use?
oxygen
phosphorus
germanium
silicon
Students were asked to identify the location of elements in the periodic table based on clues printed on game cards. Based on the data, which periodic table shows the correct location of the four elements?
Rift valleys can form when fractures in Earth's crust WIDEN. The valley walls slowly move at a rate of only a few millimeters a year. Which of these best describes the type of tectonic activity that forms rift valleys?
Rift valleys form where a continental plate moves under an oceanic plate.
Rift valleys form where a plate slides horizontally past another plate.
Rift valleys form where two plates move away from each other.
Rift valleys form where an oceanic plate moves under another oceanic plate.
The diagram shows four consecutive moon phases. Which of the following diagrams show the NEXT four moon phases in the correct order?
A chemist made the table below to record some atomic properties of four elements. Based on the information in the table, which conclusion about the chemical reactivity of these elements is valid/true?
Boron is the most reactive because it has the most protons.
Flourine is the most reactive because it has 7 electrons in the outer shell/energy level.
Silicon is the most reactive because it has an equal number of protons and neutrons.
Gallium is the most reactive because it has many more neutrons than protons.
The map shows some of Earth's plate tectonic boundaries. Volcanoes form along subduction zones. Based on the map, volcanic activity would MOST likely be found at --
Location W
Location X
Location Y
Location Z
Two friends want to go for a night hike when there is a full moon in July. If there is a third-quarter moon on July 2, what is the approximate date of the next full moon?
July 9
July 16
July 23
July 30
Which of these atoms is electrically neutral (same number of protons and electrons)
What is the TOTAL number of protons, neutrons, and electrons in a zirconium, Zr, atom that has a mass number of 91 with an atomic number of 40.
80
131
91
51
Which of these atoms have the MOST mass?
Protons + Neutrons = Mass
Which of the following list the elements in order from having the least protons to those having the greatest number of protons?
N, P, As, Sb, Bi
Li, Be, He, C, N
Cs, Rb, Po, At, Rn
Ar, I, Br, Cl, F
Which of the following lists elements with the highest reactivity?
He, Ne, Ar
F, Cl, Br
Zn, Cd, Hg
C, Si, B
Which of the following elements is represented in the graphic?
Sulfur
Aluminum
Phosphorus
Argon
Which of the following statements describes the relationship between the elements magnesium, strontium, and radium? The elements are all in the same -
period because they have the same numbers of energy levels, but different reactivity
group because they have the same numbers of energy levels, but different reactivity
period because they have similar reactivity and the same number of valence electrons
group because they have similar reactivity and the same number of valence electrons
Which of the student responses is correct?
Student 1
Student 2
Student 3
Student 4
Each of the numbered blocks represents an element. Which element easily conducts electricity and can be hammered into a thin sheet (malleable)?
Element 1
Element 2
Element 3
Element 4
Each numbered block represents an element. Which element is a gas and is unreactive/stable because their valence energy level is full.
Element 1
Element 2
Element 3
Element 4
Each of the numbered blocks represents an element. Which element is brittle, considered the MOST reactive non-metal, and a good insulator?
Element 1
Element 2
Element 3
Element 4
Which of the following group numbers (columns) on the periodic table contain elements that are ALL gases?
Group 1
Group 13
Group 16
Group 18
Elements in the same row of the periodic table always have the same # of _______ .
Protons
Energy levels
Electrons
Valence Electrons
Which family is MOST reactive?
transition metals (groups 3-12)
boron family (group 13)
alkali family (group 1)
noble gases (group 18)
A[n] ______________ tide occurs when the moon is at right (ninety degree) angle to the Earth and Sun.
high
neap
low
spring
A[n] ___________ tide occurs when the Sun, Earth, and Moon are in a straight line.
spring
high
low
neap
