What element is likely to be the most brittle?

selenium

cobalt

platinum

zinc

An electron in a 3s3s orbital penetrates into the region occupied by core electrons more than electrons in a 3p3p orbital. An electron in a orbital penetrates into the region occupied by core electrons more than electrons in a orbital. true false

Will bromine react with sodium? Why or why not?

Choose the answer that best describes what kind of substance ocean water is. heterogeneous mixture homogeneous mixture

What is electron configuration

What would be the effect on the nucleus of an atom if it emitted one alpha particle and one gamma ray

what kinda energy is produced when a force causes a substance to vibrate, and the energy is transferred through the substance in a wave.

What is similar to iodine by chemical characteristics

The arrangement of electrons in the orbitals of an atom

A sample of C3H8 has 4.64 * 1024 H atoms. How many carbon atoms does the sample contain?

What is the value of 200c on a Kelvin scale