Front

What are the three main categories of elements in the periodic table?

Back

Metals, Nonmetals, Metalloids.

Front

What is the characteristic of metals in the periodic table?

Back

Metals are typically shiny, good conductors of heat and electricity, and malleable.

Front

What is a metalloid?

Back

Metalloids are elements that have properties intermediate between metals and nonmetals.

Front

Which element is liquid at room temperature and is shiny in appearance?

Back

Mercury.

Tags

NGSS.MS-PS1-4

Front

What is atomic mass?

Back

Atomic mass is the weighted average mass of an element's isotopes, typically expressed in atomic mass units (amu).

Front

What does the mass number represent?

Back

The mass number represents the total number of protons and neutrons in an atom's nucleus.

Front

What is the periodic table?

Back

The periodic table is a systematic arrangement of elements based on their atomic number, electron configuration, and recurring chemical properties.

Tags

NGSS.HS-PS1-1

Front

What are halogens?

Back

Halogens are a group of nonmetals in Group 17 of the periodic table, known for their reactivity.

Front

What is the significance of the atomic number?

Back

The atomic number indicates the number of protons in an atom and determines the element's identity.

Tags

NGSS.MS-PS1-5

Front

What are noble gases?

Back

Noble gases are elements in Group 18 of the periodic table, known for their lack of reactivity due to having a full valence shell.