An element the has a low first ionization energy and good conductivity of heat and electricity can be classified as

A) metal

B) metalloid

C) nonmetal

D) noble gas

1) In what state or phase do most ionic compounds occur? A) Solid. B) Liquid. C) Gas. D) Plasma. 2) The compound CO is an example of a (n). A) salt. B) element. C) ionic compound. D) covalent compound.

Iron is extracted from fe 2o 3 by a reaction with carbon (c) at very high temperature. if you take 2.86 x 10 4 g of fe 2o 3 to react with 9.05 x 10 3 g of c, how many moles of fe 2o 3 will be used? 2fe 2o 3 + 3c → 4fe + 3co 2

How does a dam regulate and how does it work?

Aside from carbon and hydrogen, which are always present in organic molecules, what are some other substances they may contain?

A perfect cube of aluminum metal was found to weigh 20.00 g. the density of aluminum is 2.70 g/ml. what is the dimension of the cube

What would happen if you tried to sqeeze a gas into a smaller container?

Paint, paint thinners and some cleaning agents can weaken the shell of a hard hat and may eliminate

A 10 chunk of metal has a specific heat of 0.25 J/g ºC. The temperature is changed from 10ºC to 45ºC. How much heat is required?

In this reaction what is the correct coefficient for sodium chloride? pb (no3) 2? nacl → pbcl2? nano3

Classify each of the following as a path function or a state function. work energy distance traveled enthalpy heat