A scientist thinks that they have discovered a new element. What characteristics must the substance have in order to be
Posted: Fri Jul 15, 2022 4:40 pm
A scientist thinks that they have discovered a new element. Whatcharacteristics must the substance have in order to be classifiedas an element.
Which subatomic particles has a greater mass: a proton or anelectron
The structure of an atom is analogue to a model of the solarsystem. Explain why this statement is true.
complete the following tables
Element symbol. atomic number. atomic was. #of proton. #of electron. #ofNeutrons
Calcium Ca. 20. 40
Tin Sn 119 50
Boron B 5 11
Which subatomic particles has a greater mass: a proton or anelectron
The structure of an atom is analogue to a model of the solarsystem. Explain why this statement is true.
complete the following tables
Element symbol. atomic number. atomic was. #of proton. #of electron. #ofNeutrons
Calcium Ca. 20. 40
Tin Sn 119 50
Boron B 5 11