Give the number of significant figures in this number: 7.8 x 10¹²

What types of molecules dissolve easily in water?

My poem: Love oh love How I grew to sprout like thigh flower Broken pieces picked up and made as one You restored thee and me see thigh to thee no like or bia to thee no doubt of fool but heart of love I so scared to thigh love and love anyways I

Number the elements sodium, magnesium, and potassium in the predicted order of ionic radius from the largest (1) to the smallest (3). sodium magnesium potassium

Which planet has Charon as its moon? A. Mercury B. Pluto C. Mars D. Saturn

Which compound is a saturated hydrocarbon?

Complete the following statement by checking all that apply Creativity allows scientists to develop multiple approaches to solving problems. adapt to changes in scientific knowledge. look at old problems in new ways.

The atomic weight of hydrogen is 1.00794. a. True b. False

Describe What kind of ions do metals form? What kind of ions do nonmetals form?

A car is driven through streets treated with salt and then parked in a warm garage. a) How will the rate of rusting compare with a car that has not been driven in the streets treated with salt but left parked outside?

Amalgam is an alloy that contains mercury and other metals. Which of these atoms would most likely form metallic bonds with mercury? Check all that apply. bromine copper hydrogen iodine silver tin