In which classification of matter are the components chemically combined? A metal
B compound
C mixture
D Metalloids

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

What is the molar mass of a gas that has density of 2.054 g/l

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.