An atom in the ground state has two electrons in its first shell and six electrons in its second shell. what is the total number of protons in the nucleus of this atom? (1) 5 (2) 2 (3) 7 (4) 8

There is an area in idaho named craters of the moon where most of the ground is covered with basalt, adark gray, igneous rock with no visibl crystals. what can you infer about the geographical history of the area?

Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape

One does not belong why? ice, gold ,wood ,diamond and table salt