Periodic Table Quiz

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Who arranged the elements according to atomic mass and used the arrangement to predict the properties of missing elements?

Dmitri Mendeleev

What were two elements whose properties Mendeleev predicted, yet which were not discovered at the time he organized his periodic table?

germanium and gallium

Which of the following elements is in the same period as phosphorus?

magnesium

The modern periodic table is arranged in order of increasing atomic ____.

number

Which of the following categories includes the majority of the elements?

metals

Which class of elements has unusual electrical properties, and so is used to make computer chips?

metalloids

In which of the following sets is the symbol of the element, the number of protons, and the number of electrons given correctly?

A. Se, 24 protons, 26 electrons

B. Y, 39 protons, 36 electrons

C. Sr, 38 protons, 38 electrons

D. P, 25 protons, 25 electrons

C. Sr, 38 protons, 38 electrons

Which two elements are liquids at room temperature?

mercury and bromine

Which subatomic particle plays the greatest part in determining the properties of an element?

A. proton

B. electron

C. neutron

D. nucleus

B. electron

What are the Group 1A and Group 7A elements examples of?

representative elements

Which of the following factors contributes to the increase in atomic size within a group in the periodic table as the atomic number increases?

more shielding of the electrons in the highest occupied energy level

As you move from left to right across the second period of the periodic table

ionization energy increases.

What is the charge of a cation?

a positive charge

Which of the following statements is true about ions?

Cations form when an atom loses electrons.

Which of the following factors contributes to the decrease in ionization energy within a group in the periodic table as the atomic number increases?

increase in atomic size

Which of the following factors contributes to the increase in ionization energy from left to right across a period?

an increase in the number of protons

Which of the following statements correctly compares the relative size of an ion to its neutral atom?

The radius of an anion is greater than the radius of its neutral atom.

Mendeleev's arrangement of the periodic table was in order of increasing ____.

atomic mass

The atomic number of an element is the total number of which particles in the nucleus?

A. neutrons

B. protons

C. electrons

D. protons and electrons

B. protons

Of the elements Pt, V, Li, and Kr, which is a nonmetal?

A. Pt

B. V

C. Li

D. Kr

D. Kr

To what category of elements does an element belong if it is a poor conductor of electricity? ____

nonmetals

In which of the following sets is the symbol of the element, the number of protons, and the number of electrons given correctly?

A. In, 49 protons, 49 electrons

B. Zn, 30 protons, 60 electrons

C. Cs, 55 protons, 132.9 electrons

D. F, 19 protons, 19 electrons

A. In, 49 protons, 49 electrons

Which of the following is true about the electron configurations of the representative elements?

A. The highest occupied s and p sublevels are completely filled.

B. The highest occupied s and p sublevels are partially filled.

C. The electrons with the highest energy are in a d sublevel.

D. The electrons with the highest energy are in an f sublevel.

B. The highest occupied s and p sublevels are partially filled.

Of the elements Fe, Hg, U, and Te, which is a representative element?

Te

What element in the second period has the largest atomic radius?

lithium

Which of the following decreases with increasing atomic number in Group 2A?

A. shielding effect

B. ionic size

C. ionization energy

D. number of electrons

C. ionization energy

The metals in Groups 1A, 2A, and 3A

lose electrons when they form ions.

Which of the following statements is true about ions?

A. Anions are positively charged ions.

B. Cations are common among nonmetals.

C. Charges for ions are always written as numbers followed by a plus or minus sign.

D. When an anion forms, more electrons are transferred to it.

D. When an anion forms, more electrons are transferred to it.

Which of the following elements has the lowest electronegativity?

A. lithium

B. carbon

C. bromine

D. fluorine

A. lithium

Of the following elements, which one has the smallest first ionization energy?

A. boron

B. carbon

C. aluminum

D. silicon

C. aluminum