Answer:
1. 40 grams
2. 20 grams
Explanation:
every 10 years, divide by 2
year 0; 80
year 10; 40
year 0; 80
year 10; 40
year 20; 20
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Answer:
first ionization energy is the amount of energy required to remove an electron from isolated gaseous atom
so when atomic no increase across aperiod the ionization energy become lower
it's my opinion am not sure ok
Answer:
Option D is correct.
D) venus
Explanation;
CHECK THE COMPLETE QUESTION BELOW;
Early one morning, looking East, you see what appears to be a star. Your friend, Sheen, tells you that it's not a star, it's a planet. Which planet is it likely to be? A) neptune B) pluto C) uranus D) venus
EXPLANATION;
Venus;
Apart from the sun and the moon, Venus is described as the brightest object in the sky, it can be visualised as a very bright star in the sky when looked upon in the evening or morning.It is reffered to as the planet that is best close to Earth as far as solar system is concerned, and also the second planet from the sun with it's surface covered with volcanoes, lava plains and others
Venus is a bit smaller in size compare to the Earth and inner part of it is also similar with that of Earth.
The temperature of Venus is extremely high that it can melt metals such as lead so human cannot withstand the extreme heat.
Its d beacuse its the only true statement abot the liquads lol