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WorksheetsBASIC CHEMISTRY
Total questions: 15
Worksheet time: 8mins
Which subatomic part of an atom gives it a positive charge?
Neutron
Proton
Electron
Nucleus
Negatively charged particles found outside of the nucleus of an atom are called ______.
protons
neutrons
electrons
A neutral particle found in the nucleus of an atom
neutron
proton
electron
Which of the following substances contain molecules?
Zinc
Zink
Ethanol
Etanol
Sodium chloride
Natrium klorida
Magnesium oxide
Magnesium oksida
The scientist who proposed that the atom consists of electrons orbiting around the nucleus is
Ernest Rutherford
James Chadwick
J.J Thomson
Neils Bohr
An atom of carbon has 6 protons and 7 neutrons in its nucleus. If the atom is neutral, how many electrons does it have?
0
7
6
13
An atom of iodine has 7 valence electrons. What will an atom of iodine MOST likely do to be stable?
Lose 1 electron
Lost 7 electrons
Gain 1 electron
Neither gain nor lose any valence electrons
An atom of neon has 8 valence electrons. What will an atom of neon MOST likely do to be stable?
Gain 1 electron
Lose 2 electrons
Lose 8 electrons
Neither gain nor lose any valence electrons
What type of bond is formed when atoms share electrons?
Covalent
Ionic
Hydrogen
Polyatomic
Which of the below is NOT a state of matter
solid
liquid
gas
gel
What charge do neutrons have?
Positive
Negative
Neutral
Depends on their environment
What charge do electrons have?
Positive
Negative
Neutral
Depends on their environment
What is the valence shell of an atom?
The electron shell closest to the nucleus
The outermost shell of an atom
The electron shell that has the most electrons in it.
The electron shell that is empty.
Ionic bonds are formed by transferring electrons?
True
False
