What are the vertical columns on a periodic table called

How much energy would it take to heat a section of the copper tubing that weighs about 630.0 g, from 13.12 ∘C to 27.91 ∘C? Copper has a specific heat of 0.3850 (J/g) ⋅∘C. Express your answer to four significant figures.

Jade and five friends have three oranges taste share at the orange is equally how much of an orange did jaden have friends get

how many variables are you allowed to change a purpose in a experiment

The emission spectrum of gold shows a line of wavelength 2.76x10^-7m. What is the corresponding frequency of this light? How much energy is emitted in production of this radiation?

What was the result of shining the flashlight through the diffraction grating compared to the laser? Explain this difference.

Which of the following elements is the most stable element? argon, manganese, phosphorus, robidium

List results of Chemical Reactions.

When you measure something in meters cubed, you are measuring

Low density: low pressure: high density Is which. evaporation? water vapor? condensation / liquid water

Which structures are found on sponges? pores medusae polyps stinging cells