Answer:
1) all matter is made up of atoms and molecules 2) these tiny particles are always in motion; the higher the temp. the faster they move 3) at the same temp., heavier particles move more slowly then small particles
Explanation:
True.
SF are used for simplifying figures in a measurement to produce a more accurate reading.
Answer:
The first ionization energy for K is less than Ca because Ca has a larger effective nuclear charge.
Answer:
1400000 cm
Explanation:
14 km equals to 1400000 cm (14 km = 1400000 cm)
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