Periodic Table Quizizz

Which list of elements includes a metal a metalloid, and a noble gas?

• Rb, Cl, Ne

• Sr, Si, Rn

• Rn, Cl, Ne

• Si, Rb, Sr

Which element has the lowest density at 298K and 101.3 kPa?

• argon

• fluorine

• nitrogen

• oxygen

Which element has chemical properties most similar to sodium?

• magnesium

• oxygen

• phosphorus

• rubidium

Which general trend is observed as the elements in Period 2 are considered from left to right?

• Atomic mass decreases.

• Melting point increases.

• Electronegativity increases

• First ionization energy decreases

Which Group 15 element is classified as a metal?

• N

• P

• As

• Bi

Compared to the number of electron shells and radius of an aluminum atom in the ground state, a boron atom in the ground state has

• fewer electron shells and a smaller radius

• fewer electron shells and a larger radius

• More electron shells and a smaller radius

• more electron shells and a larger radius

The halogens in group 17 are chemically similar to each other because they have the same number of

• protons

• electrons

• electron shells

• valence electrons

Which period 4 element is malleable and a good conductor of heat and electricity?

• Nickel

• Selenium

• Bromine

• Krypton

The elements on the Periodic Table are arranged in order of increasing

• atomic mass

• mass number

• atomic number

• oxidation state

Atoms of which element in Group 15 have the greatest electronegativity?

• As

• Bi

• N

• P