Elements d, e, and g have atomic numbers z, z+1, and z+2 respectively. e is a noble gas (not helium). which statement is true?
elements d and g should form a compound which is a gas at room temperature and which has formula gd.
elements d and g should form a compound which is a solid at room temperature with formula gd.
elements d and g should not react with each other.
elements d and g should react to form a covalent compound with formula dg7.
none of the above is a true statement.

which of the following ionic crystals would you expect to have the lowest melting point?
kf
kbr
cao
pbs
scn

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.      

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.