PSc Atomic Structure CFA

PSc Atomic Structure CFA

KG - University

14 Qs

quiz-placeholder

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PSc Atomic Structure CFA

PSc Atomic Structure CFA

Assessment

Quiz

Chemistry

KG - University

Hard

Used 4+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following elements is a member of the halogen family and is in period 3?
Argon (Ar)
Bromine (Br)
Chlorine (Cl)
Sulfur (S)

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image
What is the atomic mass for silicon?
14.0
14.1
28.1
42.2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following is the most important factor in determining an element's place in the periodic table?
number of protons
number of neutrons
atomic charge
atomic density

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Oxygen has an atomic number of 8. Which of the following elements would you expect to be most similar to oxygen in terms of its chemical properties?
nitrogen (N)
fluorine (F)
sulfur (S)
chlorine (Cl)

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image
The table below shows the atomic mass of four stable calcium (Ca) isotopes.  What characteristic is different in each isotope?
the position in the periodic table of the elements
  the net charge of the nucleus
the mass of the protons in the nucleus
the number of neutrons in the nucleus

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following has six valence electrons?
magnesium (Mg)
Silicon (Si)
sulfur (S)
argon (Ar)

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which statement best describes the density of an atom's nucleus?
The nucleus occupies most of the atom's volume but contains little of its mass.
The nucleus occupies very little of the atom's volume and contains little of its mass.
The nucleus occupies most of the atom's volume and contains most of its mass.
The nucleus occupies very little of the atom's volume but contains most of its mass.

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