Generally the ionization potential in a period increases, but there are some exceptions. The one which is not an exception is 1) Be & B 2) N & O 3) Mg & Al 4) Na & Mg

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

What is the polyatamic ion of thiosulfate

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils