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Total questions: 53
Worksheet time: 39mins
Which statement accurately describes the same atoms of a specific element?
an indium, In atom contains 115 protons inside the nucleus and 49 neutrons outside the nucleus.
a scandium, Sc, atom contains 45 electrons outside the nucleus and 21 neutrons inside the nucleus.
an aluminum, Al, atom contains 27 electrons and 27 protons inside the nucleus.
a zinc, Zn, atom contains 30 protons inside the nucleus and 30 electrons outside the nucleus.
Which statement best describes evidence that a chemical reaction occurs as a cake cakes?
the water in the cake batter, evaporates
the cake rises as gas bubbles form in the baking cake.
the cake takes the shape of the container in which it is baked.
the water in the cake batter is used to keep the cake moist as it bakes.
A
B
C
D
Is Gold (Au) an element or compound ? Explain..
A compound
A Pure Substance that cannot be broken down
Made up of TONS of elements
made up of synthetic atoms
What evidence BEST represent a chemical reaction to iron ?
A shiny new nail
A piece of iron flattened
An iron left outside during rain and Rusts which causes it to change color like brownish/orange
an iron wire getting hot from a battery
How many Neutrons does Lithium have ?
2
4
6
8
CO ± H2O→CO2 ± H2
How many atoms in the Reactant side of equation? (RAP)
1
2
3
5
Which of the following is a compound?
C
NH2
Co
K
F
G
H
J
What does the subscript in a chemical formula tell you?
How many molecules are present
How many atoms are present
How many elements are present
How many neutrons are present
C6H12O6
Organisms are made of elements that form living matter. Which elements comprise the largest portion of living matter?
Hydrogen, carbon, oxygen, and nitrogen
Chlorine, sodium, and oxygen
Oxygen, carbon, and silicon
Sulfur, calcium, carbon, and hydrogen
A student had a beaker with a small amount of baking soda. The student added a few drops of pickle juice to the baking soda and observed fizzing and bubbling.
Based on observed, which of these can the student conclude?
A chemical reaction produced a solid.
No chemical reaction took place.
Only a physical change happened.
A chemical reaction produced a gas.
Which statement accurately describes the same atoms of a specific element?
an indium, In atom contains 115 protons inside the nucleus and 49 neutrons outside the nucleus.
a scandium, Sc, atom contains 45 electrons outside the nucleus and 21 neutrons inside the nucleus.
an aluminum, Al, atom contains 27 electrons and 27 protons inside the nucleus.
a zinc, Zn, atom contains 30 protons inside the nucleus and 30 electrons outside the nucleus.
Which statement best describes evidence that a chemical reaction occurs as a cake cakes?
the water in the cake batter, evaporates
the cake rises as gas bubbles form in the baking cake.
the cake takes the shape of the container in which it is baked.
the water in the cake batter is used to keep the cake moist as it bakes.
What are the most common elements found in Earth's crust?
Oxygen, Silicon, Aluminum
Oxygen, Nitrogen, Hydrogen
Calcium, Sodium, Aluminum
Aluminum Foil
No, because the metal strip was still visible
Yes, because a new material of a different color formed on part of the metal strip
No, because the solution stayed blue
Yes, because the volume of the blue solution stayed the same
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.
Protons have a ________ charge and are one of the 3 subatomic particles.
Positive
Negative
Neutral / No charge
What is the difference between the number of electrons in an atom of oxygen, O, andthe number of electrons in an atom of berylium, Be?
2
4
6
8
A student had a beaker with a small amount of baking soda. The student added a few drops of pickle juice to the baking soda and observed fizzing and bubbling.
Based on observed, which of these can the student conclude?
A chemical reaction produced a solid.
No chemical reaction took place.
Only a physical change happened.
A chemical reaction produced a gas.
The smallest particle into which an element can be divided and still be the same element is a(n)
proton
neutron
electron
atom
Which subatomic particle has a positive charge?
proton
nuetron
electron
atom
Which subatomic particle has a negative charge?
proton
neutron
electron
atom
Which TWO of the following subatomic particles are inside the nucleus?
protons
electrons
neutrons
There are no subatomic particles in the nucleus of an atom.
How many protons does fluorine have?
19
1
9
10
The central region of an atom where its neutrons and protons are is its
nucleus
electron cloud
core
center
How many electrons does silicon have?
28
14
0
10
How many neutrons does nitrogen have?
7
14
0
6
What does the 1.00794 stand for?
Hydrogen
atomic number
atomic mass
atomic explosion
How many Hydrogen atoms are in 4H2O?
6
8
2
4
Two elements that occur in the earth's atmosphere are _____ and _______.
Silicon and Argon
Argon and Aluminum
Nitrogen and Oxygen
Helium and Nitrogen
Label the Atom Locations and 3 Subatomic Particles
How many Neutrons does the element Lithium "Li" contain ?
(a)
Which of the following are Elements ?
Au Cl Hcl CO
(a)
What do the symbols in SPONCH represent ?
Elements
mixtures
compounds
molecules
1
2
6
8
Which subatomic partice is POSITVELY charged "PEN"
Prtotons
Electrons
Neutrons
subscripts
