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WorksheetsScience Review PIT
Total questions: 70
Worksheet time: 1hrs 17mins
Look at the column, taken from the periodic table. Which of the following statements is correct for the elements shown?
Lithium has 6.9 protons.
Lithium has the least number of protons.
Sodium has the most number of protons.
Potassium has 39.1 protons.
An atom has 12 protons, 14 neutrons, and 12 electrons. What is the atomic number of this element?
24
26
12
38
The element sulfur (S) has an atomic number of 16, an atomic mass of 32.1, and is on the right side of the zigzag on the periodic table. Based on this information, to which class of elements does sulfur most likely belong?
metals
nonmetals
metalloids
solids
The picture shows part of the periodic table. Which pair of elements are in the same period?
La and Ru
Ra and Sg
Y and Os
K and Mg
In general, elements in Group 18 (8A) do not form compounds. Which of the following explains why elements in Group 18 (8A) do not readily form compounds?
These elements are very reactive.
These elements have a full outermost energy level.
These elements are within the same period.
These elements have the same atomic number.
How many valence electrons makes most atoms stable (nonreactive)?
2
8
1
4
Which two elements are similar?
Beryllium and Magnesium
Carbon and Lithium
Lithium and Beryllium
Magnesium and Carbon
How many electrons are in this element?
39
19
20
21
Which statement correctly describes the location and charge of the electrons in an atom?
The electrons are inside the nucleus and have no charge
The electrons are outside the nucleus and have no charge.
The electrons are inside the nucleus and have a negative charge.
The electrons are outside the nucleus and have a negative charge.
The electrons are outside the nucleus and have a positive charge.
H2SO4
What causes day & night?
Earth's rotation on the equator
Earth's revolution around the Sun
The Moon's rotation around the Sun
Earth's rotation on its axis
If there is a 3rd Quarter moon on July 2nd, what is the approximate date of the next full moon?
July 9th
July 16th
July 23rd
July 30th
A student keeps a record of the phases of the moon for one month. On the first night of the student's observations, the full moon is visible in the sky. After the full moon, which of these phases will the student observe next?
Waxing crescent moon
Waxing gibbous moon
Waning crescent moon
Waning gibbous moon
Look at the diagram of phases of the Moon. What phase does Day 14 represent?
waxing moon
new moon
full moon
waning moon
What moon phase will be observed after the waning crescent?
What season is the northern hemisphere experiencing in the photo?
Fall
Spring
Winter
Summer
What does the tilt of the earth cause?
heating
seasons
years
atmosphere
The Earth's movement (revolution) around the sun causes _________
heating
seasons
atmosphere
years
How many different elements are involved in this reaction?
How many atoms are there on the left side of the equation compared to the right side?
Which of the following best describes a relationship in this grassland?
Badgers are top predators because they eat upland sandpipers and beetles.
A producer–consumer relationship exists between lupines and ants.
A predator–prey relationship exists between beetles and ground squirrels.
Upland sandpipers are primary and secondary consumers because they eat grasses and grasshoppers.
