Nonmetals such as Cl combine with metals such as Na by 1. gaining electrons to form ionic compounds
2. gaining electrons to form covalent compounds
3. sharing electrons to form ionic compounds
4. sharing electrons to form covalent compounds

How are elements arranged in a periodic table

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m