PS.4.a Test Correction

Front

What is the reason Fluorine, Chlorine, and Iodine are similar in their chemical behavior?

Back

They have the same number of valence electrons.

Front

What term describes a charged particle that has gained or lost electrons?

Back

Ion

Tags

NGSS.MS-PS2-5

Front

What do elements in the same group of the periodic table share?

Back

The same number of valence electrons.

Front

What is the name of the element with atomic number 6?

Back

Carbon

Tags

NGSS.MS-PS1-1

Front

What term describes atoms that have the same number of protons but different numbers of neutrons?

Back

Isotope

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that determine its chemical properties.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

How many valence electrons does Carbon have?

Back

4 valence electrons.

Front

What is the significance of the periodic table's groups?

Back

Elements in the same group have similar chemical properties due to having the same number of valence electrons.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

What is the difference between an atom and an ion?

Back

An atom is neutral, while an ion has a net charge due to the loss or gain of electrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.