Ayudándote con la información de la siguiente tabla, responde ¿Cuáles son los valores de Z, A, p+,ny e- para el átomo de calcio (Ca)?
ΑΤΟΜΟ
Z
А
ne de protones nº de neutrones nº de electrones
63 29 Cu
40,9K
29
36
4020 Ca
19
20
Tu respuesta

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

distance, luminosity, brightness, radius, chemical composition, and temperature