Answer:
30 feet /second
Explanation:
60 feet/ 2 sec = 30 feet/sec
4.) an element cannot be decomposed by a chemical change, it is a pure substance and no other materials compose it.
Answer:
true because of the elements
<span>rutherfordium element # 104</span>
Answer:
6
8
6
Explanation:
Isotope given:
¹⁴₆C
In specie written as this;
Superscript = Mass number
Subscript = Atomic number
To find the protons, it is the same as the atomic number;
Protons = Atomic number = 6
Neutrons have no charges;
Neutrons = Mass number - Atomic number =
Neutrons = 14 - 6 = 8
The number of electrons is the same as the atomic number = 6
