IPC Periodic Table

The order of elements in the modern periodic table is based on _______

• the number of protons in the nucleus.

• the electric charge of the nucleus.

• the number of neutrons in the nucleus.

• atomic mass.

Atoms of elements that are in the same group have the same number of _____

• Electrons

• Protons

• Neutrons

• Valence Electrons

Which of the following elements is an alkali metal?

• calcium

• magnesium

• mercury

• sodium

Semiconductors are elements that _______.

• have large atomic masses but small atomic numbers.

• do not form compounds.

• can conduct heat and electricity under certain conditions.

• are extremely hard.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS2-3

Carbon and other nonmetals are found in which area of the periodic table?

• Left side

• right side

• middle

• the bottom rows

In Mendeleev’s periodic table, elements in each column had similar

• Atomic masses

• atomic numbers

• properties

• symbols

Magnesium (Mg) is located to the right of sodium (Na) because Mg has

• fewer protons

• more protons

• no protons

• no neutrons

As you move from left to right across the periodic table, elements _______

• become less metallic.

• have a lower atomic number.

• have a lower atomic weight.

• become more metallic.

How was Mendeleev’s periodic table arranged?

• by decreasing atomic mass

• by increasing atomic mass

• by increasing atomic number

• by decreasing atomic number

Each column of the periodic table is ______.

• group

• period

• isotope

• element