Properties of Elements

A(n) __________ is a pure substance made of only one type of atom.

• compound

• element

• proton

• electron

Tags

NGSS.MS-PS1-1

The __________ tells you how many protons an element has.

• atomic number

• atomic mass

• energy levels

• electrons

Tags

NGSS.MS-PS1-1

Where are protons found in an atom?

• The nucleus

• Energy level

• The atomic mass

• By electrons

Tags

NGSS.MS-PS1-1

Examples of elements that are gases and not reactive are called ___________.

• metals

• non-metals

• metalloids

• noble gases

Based on these properties, which element is most likely a nonmetal?

• Element 1

• Element 2

• Element 3

• Element 4

Match the following

• Atomic Number

• 79

• Atomic Mass

• 196.967

• Element Symbol

• Au

• Element Name

• Gold

How many valence electrons does Potassium Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron

​ (a)   can be described as an attribute, quality, or characteristic of an element.

• Properties

• Atomic symbols

• Periods

Answer explanation

Properties can be described as attributes, qualities, or characteristics of an element. Atomic symbols are used to represent elements, while periods refer to the horizontal rows in the periodic table. Therefore, the correct choice is 'Properties'.

Tags

NGSS.MS-PS1-2

Elements in the shaded area can best be described as -

• Shiny and brittle

• Insulators

• Good conductors

Tags

NGSS.MS-PS2-3

Which category of elements is located on the "Zig-Zag" line on the periodic table?

• Non-metals

• Metalloids

• Metals

• Gases