True or False - Elements on the far right side of the periodic table are classified as nonmetals.

• true
• false

True or False - The atomic radius of an element increases as you go down a group on  the periodic table.

• true
• false

True or False - Elements in  the same group have similar chemical properties.

• True
• False

True or False - Elements arranged in vertical columns in the periodic table are called periods.

• true
• false

True or False - Metals are good conductors of heat and electricity.

• true
• false

Tags

NGSS.HS-PS2-5

True or False - A very stable electron arrangement in the outer energy level is characteristic of noble gases.

• true
• false

Tags

NGSS.HS-PS1-1

Which of the Group 13 elements is not a metal?

• Boron
• Aluminum
• Gallium
• Indium

Which category of elements have the property of being malleable and ductile?

• gases
• metals
• metalloids
• nonmetals

Which metalloid is in the fourth period and the same group as Carbon?

• Silicon
• Germanium
• Tin
• Boron

Elements that are gases, are brittle solids, and are poor conductors at room temperature are

• metals
• nonmetals
• metalloids
• isotopes