There are four naturally occurring isotopes of
the element chromium. the relative abundance
of each is
50cr 4.345% 49.946044 amu
52cr 83.789% 51.940508 amu
53cr 9.501% 52.940649 amu
54cr 2.365% 53.93880 amu
find the average atomic mass of chromium.
1. 51.996 amu
2. 53.2503 amu
3. 52.061 amu
4. 52.978 amu

Drag each number to the correct location on the equation. each number can be used more than once, but not all numbers will be used. balance the equation with the coefficients. 2 3 4 5 kclo3 -> kcl + o2

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

What are the chemical names of these compounds? ke: mg3n2: reset next