6.6a

What subatomic particle identify an element ?

• electrons

• protons

• neutrons

• ions

Which students responses are correct?

• Student 1

• Student 2

• Student 3

• Student 4

Tags

NGSS.MS-PS1-1

Which two elements on the periodic table are in the same period?

• Sn and Rb

• F and Cl

• K and Ba

• Se and Te

The periodic table is organized into groups and periods of elements. The characteristics of a certain group of elements are listed in the image.

Which of these elements is in this group:

• Lithium

• Strontium

• Aluminum

• Silicon

Name this element.

• Argon

• Chlorine

• Aluminum

• Boron

Tags

NGSS.MS-PS1-1

Tin, Sn, is a soft white metal. It has a low melting point compared with other metals. Tin is widely used as a coating for cans of food. Which statement accurately describes atoms of tin?

• Tin atoms have 50 protons.

• Tin atoms have five valence electrons.

• Tin atoms have 119 neutrons.

• Tin atoms have 68 electrons.

Tags

NGSS.MS-PS1-1

Water is known as a _______ molecule

• non-polar

• cold

• polar

• warm

Which is the solute in this solution? Kool-aid mix and water.

• Kool-aid mix

• water

Which of the following is a good conductor of heat?

• Metal

• Nonmetal

• Metalloid

Tags

NGSS.MS-PS3-3

Which of the following is a property of a non-metal?

• Conducts electricity and heats well

• Can be hammered into thin sheets

• Is brittle and breaks easily

• Has a shiny, metallic luster