Vinegar is a mixture cause its composed of water and acetic acid.
Answer: The valency of oxygen is 2, because it needs two atoms of hydrogen to form water.
Explanation: The nearest noble gas to magnesium is neon with electronic configuration of [2,8], to achieve this stable electronic configuration Mg can lose 2 valence electrons, hence its valency is 2 + ^+ +
Answer:
False
Explanation:
Flammability is a chemical property that tells whether a substance reacts in the presence of extreme heat, spark, or another form of ignition.
Hi there!
The answer is B. Degrees Celsius. Because Celsius is the only option that measures temperature.
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Answer:
this is for the table for question 7
Explanation:
element name: # of valence electrons : group:
lithium 1 1
sulfur 6 16
barium 2 2 Phosphorus 5 15
germanium 4 14
fluorine 7 9
aluminum 3 13
krypton 8 full shells 18
