05-03-2015
Chemistry

Answered

19.B is the chemical symbol of which element?

Boron

Boring

Balkite

Beryllium

20.Zinc (Zn) has an atomic number of 30 and an atomic mass of 65. How many neutrons does a stable atom of Zn have?

30

35

60

95

Verified Answer :

Anonymous Anonymous

05-03-2015

Number 1 is..Boron
Number 2 is ..35

Answer Link

Related Questions

1 Why are there active volcanoes along the Pacific coast in Washington and Oregon but not along the East coast of the United States

What is the 21st term of an arithmetic sequence with terms a650 and a1185 1 125 2 155 3 185 4 205

What was the name for the period of revolutions in Hungary France Austria Switzerland Spain Germany Italy Denmark and Romania A Winter of the discontent B Sprin

Which organelle produces sugars while releasing oxygen and in which cell could it be found a the Golgi apparatus which can be found in lung cells of animals b l

The three Gorges Dam is located in this country

If fx 5x what is f1x

Solution to weather patterns in Pretoria cbd that have changed over a longer period due to climate change

I need help The figure is made up of two shapes a semicircle and a square What is the exact perimeter of the figure a 2π6 cm b 2π12 cm c 4π16 cm d 4π12 cm

Could someone answer this

What were the untouchables

Web Analytics