what are elements and atoms of each element in the formula

Na2SO4

• Sodium 2 Sulfur 1 oxygen 4

• nickel 1 sodium 4 oxygen 4

• North America , South America, oxygen 4

• Sodium 2 Silver 1 Oxygen 4

Tags

NGSS.MS-PS1-1

Why does the state of Texas get hurricanes in August instead of January?

• wind speeds are slower in August

• wave heights are greater in January

• rainfall amounts are higher in January

• Ocean temperatures are higher in August than January

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

if an object has force of 32N and a mass of 8kg what is the acerbation of the object

• 138

• 225

• 7

• 4

Tags

NGSS.MS-PS2-2

How much do I need to add to the reactant side to equal the product side if the product side is a total of 172 and reactant is 74

• 62

• 98

• 36

• 100

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

which is the best example of a chemical reaction?

• steam formed

• precipitate formed

• sweet smell

• bubbles produced

Tags

NGSS.MS-PS1-2

what are two properties of Carbon?

• dull

• lustrous

• malleable

• brittle

• conductor

What is the speed of an object, moving 5 meters in 2.5 seconds?

• 2 m/s

• 2 m/s 2

• .5 m/s

• 0.5 m/s2

Tags

NGSS.MS-PS3-1

which cart has a speed of 1.23 m/s

• d 10 / t 7.2

• d 10/ t 8.1

• d 10 / t 7.8

• d 10 / t 8.2

Tags

NGSS.MS-PS3-1

object are in line with the sun . object A is closest B is in the Middle and C is the furthest. Which object will be effected most by the gravitational force of the sun.

• Object A

• Object B
• Object C

• all the same

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which force keeps planets in orbit around the sun?

• Friction

• Magnetism

• Gravity

• Electricity

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4