Nguyên tử của nguyên tố X có cấu hình electron lớp ngoài cung là ns2 np4. Trong đó hợp chất khí của nguyên tố X với hidro chiếm 94,12% khối lượng. Vậy X là nguyên tố nào

Heya dearfirst love doesn't matter what the it's just happen so we cannot say that minor in love with someone over 18 years old

The answers is bad germs in their

Well technically there are two correct answers b and d. but for you its probably b in general.good day sir/ma'am : ) (i know not gender)

Ithe undersigned only for use your own email and delete any and copies and of the itself and to be there is a good timewhat does a decrease in temperature indicate about the molecules in a sample of liquid water? decreased chemical energy of the moleculesdecreased kinetic energy of the moleculesincreased chemical energy of the moleculesincreased kinetic energy of the moleculeshow does a sample of helium at 15 â°c compare to a sample of helium at 215 k? the helium at 15 â°c has a higher average kinetic energy than the sample at 215 k.the helium at 15 â°c has lower nuclear energy than the sample at 215 k.the helium at 15 â°c has slower-moving atoms than the sample at 215 k.the helium at 15 â°c has smaller atoms than the sample at 215 k.