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Chemistry Quiz

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

Nucleus-

a)
The nucleus is responsible for photosynthesis.
b)
The nucleus is a type of organelle that stores waste.
c)

Small, positively charged center of an atom

d)
The nucleus produces energy for the cell.
2.

Quarks are

a)
Quarks are types of molecules.
b)
Quarks are larger than atoms.
c)
Quarks are only found in electrons.
d)
Quarks are fundamental particles that make up protons and neutrons.
3.

What is an atom

a)
An atom is the smallest unit of matter that retains the properties of an element.
b)
An atom is a type of molecule.
c)
An atom is a form of energy that can be harnessed.
d)
An atom is a large particle made of protons and neutrons.
4.

What is a proton?

a)
A proton is a negatively charged particle in an atom's nucleus.
b)
A proton is a type of electron found in the outer shell of an atom.
c)
A proton is a positively charged subatomic particle in an atom's nucleus.
d)
A proton is a neutral particle that orbits the nucleus of an atom.
5.

What is a neutron?

a)
A neutron is a positively charged particle in the nucleus.
b)
A neutron is an electron found outside the nucleus.
c)
A neutron is a type of chemical bond between atoms.
d)
A neutron is a neutral subatomic particle found in the nucleus of an atom.
6.

What is an electron?

a)
An electron is a negatively charged subatomic particle.
b)
A positively charged particle found in the nucleus.
c)
A type of chemical bond between atoms.
d)
A form of electromagnetic radiation.
7.

What is mass number?

a)
The mass number is the sum of protons and neutrons in an atom.
b)
The mass number is the total number of electrons in an atom.
c)
The mass number is the average weight of an atom's isotopes.
d)
The mass number is the number of protons only in an atom.
8.

What is an isotope?

a)
An isotope is a type of chemical bond between elements.
b)
An isotope is a molecule made of two or more different elements.
c)
An isotope is a variant of an element with the same number of protons but different numbers of neutrons.
d)
An isotope is an element with a different number of protons.
9.

What is the atomic number?

a)
The atomic number is the total number of electrons in an atom.
b)
The atomic number is the number of neutrons in an atom.
c)
The atomic number is the mass of an atom in atomic mass units.
d)
The atomic number is the number of protons in an atom.
10.

What is the electron dot diagram?

a)
A diagram showing the atomic nucleus of an atom.
b)

An electron dot diagram visually represents the amount electrons of an atom.

c)
A chart depicting the chemical reactions of an element.
d)
A graphical representation of the electron cloud around an atom.
11.

What is the periodic table?

a)
The periodic table is a chart that organizes all known chemical elements based on their properties.
b)
A chart that shows the history of mathematics.
c)
A list of all known animals in the world.
d)
A table used for cooking recipes.
12.

Who created the periodic table?

a)
Albert Einstein
b)
Isaac Newton
c)
Marie Curie
d)
Dmitri Mendeleev
13.

All elements in the blue squares of the periodic table are

a)

Non metals

b)

Metals

c)
Halogens
d)
Noble gases
14.

The elements on the far right of the periodic table, colored in yellow are

a)
Alkali metals
b)
Halogens
c)
Transition metals
d)

Non metals

15.

What are the metalloids characteristics (green squares) ?

a)
Metalloids are excellent conductors of electricity.
b)
Metalloids are always ductile and malleable.
c)
Metalloids have no luster and are soft.
d)

Metalloids share properties from both metals, and non metals

16.

What is part one in Daltons atomic theory?

a)
All elements are composed of atoms.
b)
Compounds are made of different types of molecules.
c)
Atoms can be created or destroyed in chemical reactions.
d)
All atoms are identical in mass.
17.

What is part 2 of Daltons atomic theory?

a)
Atoms can be created or destroyed in chemical reactions.
b)
All atoms of different elements are identical in mass and properties.
c)

Atoms are invisible and indestructible.

d)
Atoms of the same element can have different charges.
18.

What is part 3 in Daltons atomic theory?

a)

Atoms of a given element are identical in size, mass, and chemical properties.

b)
Atoms can be created or destroyed in chemical reactions.
c)
Compounds are formed from atoms of different elements in fixed ratios.
d)
Elements can exist in multiple forms without changing their atomic structure.
19.

What is part 4 in Daltons atomic theory?

a)
Elements can combine in any ratio to form compounds.
b)
All atoms of a given element are identical in mass and properties.
c)

Atoms of a specific element are different from those of another element.

d)
Atoms can be created or destroyed in chemical reactions.
20.

What is part 5 in Daltons atomic theory?

a)
Atoms are indivisible and cannot combine with others.
b)
All atoms of an element are identical in mass and properties.
c)
Compounds are formed by the random combination of atoms.
d)
Atoms of different elements combine in simple whole-number ratios to form compounds.
21.

What is part 6 in daltons atomic theory

a)

In a chemical reaction. atoms are separated, combined, and rearranged.

b)
Atoms are indivisible and cannot combine with others.
c)
All atoms of an element are identical in mass and properties.
d)
Compounds can only form from atoms of the same element.
22.

What is the atomic number for Lithium?

a)
2
b)
4
c)
6
d)
3
23.

What is the atomic number for Nitrogen?

a)
7
b)
14
c)
8
d)
6
24.

What is the atomic number for helium?

a)
1
b)
3
c)
4
d)
2
25.

How many protons does Carbon have?

a)
5
b)
7
c)
6
d)
8
26.

How many protons does chlorine have?

a)
17
b)
16
c)
18
d)
20
27.

How many protons does Polonium have?

a)
84
b)
90
c)
86
d)
82
28.

Carbon 14 has how many neutrons?

a)
8
b)
12
c)
10
d)
6
29.

Carbon 12 has how many neutrons?

a)
5
b)
7
c)
8
d)
6
30.

Which isotope has 22 protons and 22 neutrons?

a)
Titanium-42 (Ti-42)
b)
Titanium-46 (Ti-46)
c)
Titanium-44 (Ti-44)
d)
Titanium-40 (Ti-40)
31.

Which isotope has 146 neutrons, and 94 electrons.

a)
Radium-226 (Ra-226)
b)
Plutonium-240 (Pu-240)
c)
Thorium-232 (Th-232)
d)
Uranium-238 (U-238)
32.

Calcium-48 has an atomic mass of

a)
45 amu
b)
48 amu
c)
50 amu
d)
46 amu
33.

Hydrogen-1 has how many electrons?

a)
3
b)
2
c)
1
d)
0
34.

The chemical symbol for gold is

a)
Pb
b)
Ag
c)
Fe
d)
Au
35.

What is the chemical symbol for Einsteinium?

a)
Em
b)
En
c)
Ei
d)
Es

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