Ions, Isotopes, Atoms, Periodic Table Review
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- 1.There is no video available yet, please upload the video
- 2.What is the difference between atoms and ions when it comes to the number of neutrons?
- A.
Ions have one extra neutron
- B.
Ions have one less neutron
- C.
There is no difference when it comes to the number of neutrons
- 3.In an atom, the numbers of protons and electrons are...
- A.
...the same
- B.
Are not the same
- 4.In an ion the numbers of electrons are...
- A.
... are the same as the number of protons
- B.
... not the same as the number of protons
- 5.An ion is an atoms that have..
- A.
Gained or lost protons
- B.
Gained or lost neutrons
- C.
Gained or lost electrons
- 6.An atom that have gained electrons is an...
- A.
.. positive ion
- B.
.. negative ion
- C.
...neutral ion
- 7.1. The rows of the Periodic Table are called
- A.
Period
- B.
Group
- 8.The energy level is found by looking at the __________ number
- A.
Period
- B.
Group
- 9.The number of valence electrons are found by looking at the ____________ number.
- A.
Group
- B.
Period
- 10.The charge of an atom is
- A.
Positive
- B.
Negative
- C.
Neutral
- 11.Most of the atoms volume (space) is
- A.
The nucleus
- B.
The electron cloud
- C.
Empty space
- D.
Proton mass
- 12.An atom has 40 electrons and 46 neutrons. How many protons does it have?
- A.
40
- B.
46
- C.
86
- D.
101
- 13.An atom has 22 electrons and 24 neutrons. What is the atomic number?
- A.
22
- B.
24
- C.
45
- D.
2
- 14.The atom's mass is found mostly in the
- A.
Nucleus
- B.
Protons
- C.
Electrons
- D.
Electron cloud
- 15.A particle has 25 protons, 22 electrons and 24 neutrons. Which of these statement is true?
- A.
The particle is an atom
- B.
The particle is an ion
- C.
The particle is an isotope
- D.
) the particle is a nucleus
- 16.What is the atomic number of an atom that has 12 protons, 13 neutron and 12 electrons
- A.
2
- B.
12
- C.
13
- D.
15
- E.
25
- 17.Two isotopes have the same number of
- A.
Protons
- B.
Neutrons
- C.
Electrons
- D.
Atoms
- 18.The atomic number of an element tells us the number of protons and neutrons in a specific isotope
- A.
True
- B.
False
- 19.The atomic number is the number of protons in the nucleus and also identifies the element
- A.
False
- B.
True
- 20.Pure Gold, Pure Silver, and pure Oxygen are all ...........
- A.
Atoms
- B.
Elements
- C.
Compounds
- D.
Molecules
- 21.A very small particle of matter is called an .........
- A.
Atom
- B.
Elements
- C.
Compounds
- D.
Molecule
- 22.Anything that has weight and takes up space is called. ..........
- A.
Atoms
- B.
Compounds
- C.
Matter
- D.
Noodles
- 23.Atoms can obtain full other shell by...
- A.
Getting rid of a proton
- B.
Loosing a neutron
- C.
Losing or gaining electrons
Questions: 10 | Attempts: 1383 | Last updated: Oct 11, 2018
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