Escriba los símbolos, números atómicos, grupo de los átomos con las siguientes configuraciones: 1x2 2x2 2p3
1x2 2x2 2p6 3s1
1x2 2x2 2p6 3x2 3p5
1x2 2x2 2p6 3x2 3p6 4s2

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)