CA4 Review TEKS 8.5 - 8.8

In what section would you most likely find an element that is a brittle solid at room temperature and is not a good conductor?

• Section 1

• Section 2

• Section 3

• There are no elements that are brittle solids

Tags

NGSS.MS-PS1-4

Most of an atom's mass can be found at location X in the diagram. What is the charge of the sub atomic particles outside of location X?

• Neutral

• Negative

• Positive

• Cannot be determined

Tags

NGSS.MS-PS1-1

Assuming the atom depicted has an overall neutral charge. Which sub atomic particle(s) make up the Atomic Mass?

• Protons Only

• Protons and Electrons

• Electrons and Neutrons

• Protons and Neutrons

Tags

NGSS.MS-PS1-1

The following element has a total of 3 electrons and has highly reactive chemical properties. In which Group/Family can this element be found?

• Group 1

• Group 3

• Group 11

• Cannot be determined

Tags

NGSS.MS-PS1-1

What element has 6 Valence Electrons but only two (2) Energy shells/Orbitals?

• Gold

• Oxygen

• Barium

• Sulfur

Valence Electrons determine an element's___________________________, While Protons determine an element's____________________________.

• IDENTITY; REACTIVITY

• Both determine reactivity

• REACTIVITY; IDENTITY

• Both determine identity

A researcher began the following reaction with 52.6 grams of sugar and Sulfiric Acid in part A. The final mass of the products in part B would MOST LIKELY be:

• More than 52.6 grams

• Less than 52.6 grams

• Exactly 52.6 grams

• Cannot be determined

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The following reaction includes 4 Elements.

• TRUE

• FALSE

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

This reaction has the same number of Oxygen atoms in the reactants as it does in the products.

• TRUE

• FALSE

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

To create a Precipitate, means to form a_____________.

• Liquid

• Semi-solid

• Solid

• Metal