Question

What is the purpose of the periodic table?
*
1 point
To identify atoms in a compound
To organize elements based on their atomic number
To determine the atomic mass of an element
To predict the reactivity of elements
Answer
How does the periodic table help to predict the properties of elements?
*
1 point
Elements in the same group have similar properties
Elements in the same period have similar properties
The number of protons in an atom's nucleus
Elements with higher atomic numbers are more reactive
Elements with lower atomic masses are more reactive
Answered by Bre 🏐
How does the periodic table help to predict the properties of elements?
*
1 point
Elements in the same group have similar properties
The number of protons in an atom's nucleus
Elements with lower atomic masses are more reactive
Answered by Bre 🏐
If the atomic number of an element is six and the atomic mass is 15, how many neutrons does it have?
*
1 point
6 Neutrons
9 Neutrons
15 Neutrons
Answered by I Like Fighting Babies
All of these are right!
Answered by GPT 3.5
To organize elements based on their atomic number
Answered by GPT 3.5
Elements in the same group have similar properties
Answered by GPT 3.5
Elements in the same group have similar properties
Answered by GPT 3.5
To determine the number of neutrons, you subtract the atomic number from the atomic mass. Therefore, if the atomic number is 6 and the atomic mass is 15, the element would have 9 neutrons.