elements & periodic table quiz review

The atomic number of an element indicates an element's...

• number of protons in the nucleus

• number of electrons in the nucleus

• number atoms in the element

• number of protons in the family of elements

Which of the following indicates that elements have shared properties?

• periods/rows

• groups/families

• same number of protons in the nucleus

• atomic masses

How many protons are in the nucleus of neon (Ne)?

• 20

• 10

• 20.18

• 5

The atomic number of an element is determined by the number of _____ in the nucleus.

• protons

• neutrons

• electrons

• protons and neutrons

An unknown atom has 32 protons. What is the unknown atom?

• sulfur (S)

• carbon (c)

• sodium (Na)

• germanium (Ge)

Tags

NGSS.MS-PS1-1

Match the element with it's element:

Nitrogen

• S

• Na

• Hg

• N

Match the element with it's element:

Sodium

• Na

• Cl

• Hg

• N

Elements in the same ____________ are thought to have similar properties.

• category

• row

• period

• group

How are elements organized on the periodic table?

• by atomic number

• by atomic weight

• by electron number

• alphabetically

____________ created the periodic table by arranging the elements in a grid according to their properties.

• gregor mendel

• albert einstein

• johannes kepler

• dmitiri mendeleev