Two charged atoms. This is because the atom that loses the electron will become a positively charged ion (a cation) and the one that gains that electron will become a negatively charged ion ( an anion).
Answer:
hair is a physical change.
Cooking is a physical and chemical change.
Ice cream melting in the sun is a physical change.
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The research of astronomy during the time period of 1970 - 1990 is given below:
<u>Date</u> <u>Event</u>
1. 15 June 1974 Black Brant VC sounding rocket from White Sands.
2. 14 May 1973 Launch of Skylab, the USA's first space station
3. 26 July 1971 Launch of Apollo 15
<h3>What is Astronomy?</h3>
This refers to the branch of science that deals with celestial bodies and their relation to each other.
Hence, from information about astronomy, between the time period 1970 - 1990 as it was on the 26th of December, 1974 that the Soviet space station Salyut-4 was launched.
The event I think had the greatest impact in astronomical history during this time period was the launch of Apollo 16.
Read more about astronomy here:
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Answer:
Aluminum hydroxide Al(OH)3
Explanation:
Sodium switches places with Aluminum and the new products are formed.
A balanced equation would look like this.
AlCl3 + 3NaOH → Al(OH)3 + 3NaCl
The best and most correct answer among the choices provided by your question is the first choice or letter A.
The flask with electrodes showed presence of coacervates because <span>the electrodes were a source of electricity that simulated lighting.</span>
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