Acids are used to make ...

1. mortar and cement

2. baking soda

3. car batteries

We divide the electromagnetic spectrum into six major categories of light, listed below. Rank these forms of light from left to right in order of increasing wavelength. To rank items as equivalent, overlap them.

Which of the following substances is most likely to be a liquid at room temperature? a. formaldehyde, H₂COH₂CO b. fluoromethane, CH₃FCH₃F c. hydrogen cyanide, HCN d. hydrogen peroxide, H₂O₂H₂O₂ e. hydrogen sulfide, H₂S

Match with the correct definition. A. Each electron state can hold no more than two electrons, which must have opposite spins. B. Electron sharing between two adjacent atoms such that each atom assumes a stable electron configuration. C.

You have been given a piece of evidence indicating that plant and animal life is scarce in this environment. Identify this environment and the correct explanation.

What are the 4 sub levels and how many electrons can fit into each

Calculate the mass percent composition of lithium in Li3PO4. A) 26.75 % B) 17.98 % C) 30.72 % D) 55.27 % E) 20.82 %

What is the golden rule of lighting safety?

Select the correct answer. A man pours some hot coffee into a small cup from a large jug that contains enough coffee for several cups. Which statement correctly compares the coffee in the cup and in the jug? A.

Is sponge cake a heterogeneous mixture

Describe three skills people use to conduct scientific investigations