Using the periodic table, choose the more reactive metal.

Ca or Ra

Question 4 what is the term for a group of atoms held together by covalent bonds that bears an overall negative or positive charge? formula unit polyatomic ion molecule monoatomic ion none of the above

What element has 3 protons and neutrons

The ingredient label for a fruit drink reads: water, sugar, orange juice, high fructose corn syrup, vitamin C, sodium benzoate (preservative), Red 40, Blue 1.

Opponents of media violence argue that it does what to individuals A makes them less likely to be violent B desensitizes people to violence C makes people more likely to react to violence D has no effect on individuals

What is a physical property of copper? A. It reacts in acid. B. It sometimes turns green. C. It boils at a very high temperature. D. It will combine with some nonmetals.

Which element has an ion that is smaller than an ion of calcium?

Which factor is responsible for the weak attraction between diatomic molecules of the halogens (group 7A) ? A) Hydrogen bonding B) Ionic bonding C) Dipole interactions D) London dispersion forces

Which is the correct equation for refractive index?

Alcl3) and lithium sulfate (li2so4) (note - this is a double replacement reaction. you need this information to predict the products of the reaction)

Which type of bond is present in hydrogen sulfide (H2S) ? The table of electronegativities is given.