atom

Question 1

co je to atom

Answer 1

zakladna stavenba jednotka chem latok

Question 2

z coho pozostava atomove jadro

Answer 2

dve casti
protony a neutrony

Question 3

co je to proton

Answer 3

mikrocastica ktora je nositelom kladneho elektrickeho naboja p+

Question 4

co je neutron?

Answer 4

mikrocastica ktora nie je nositelom ziadneho
elektrickeho naboja n °

Question 5

co je elektron

Answer 5

mikrocastica ktora je nositelom najmensieho zaporneho naboja

Question 6

Z?

Answer 6

protonove cislo

Question 7

A?

Answer 7

nukleonove cislo

Question 8

N?

Answer 8

neutronove cislo

Question 9

co vyjadruje protove cisloZ
kde ho zapisujeme

Answer 9

pocet p+ v jadre
poradie v psp
pocet elektronov v elektronovom obale atomu

v lavo dole

Question 10

preco je atom elektricky neutralny

Answer 10

pretoze pocet p+ a e- je rovnaky

Question 11

co vyjadruje nukleonove cislo A?

Answer 11

celkovy pocet nukleonov teda p + a n° v atomovom jadre

Question 12

co je to prvok

Answer 12

chem latka zlozena z atomov ktore maju rovnake Z protonove cislo

Question 13

co su to nuklidy

Answer 13

latky zlozene z atomov kt maju rovnake Z aj A

Question 14

co su izotopy

Answer 14

nuklidy toho isteho prvku ktore maju rovnake Z rozne A

Question 15

ake pozname vodiky

Answer 15

1H1. 2H1. 3H1
lahky tazky trícium
prócium, deutérium

Question 16

ake su skratky pre vodiky

Answer 16

lahky P procium
tazky D deuterium
tricium T

Question 17

pomocou coho opisujeme stav elektronov v atomovom obale?

Answer 17

kvantovych cisel

Question 18

na co nam sluzia kvantove cisla?

Answer 18

opisujeme pomocou nich stav elektronov v obale atomu

Question 19

ake poznam kvantove cisla

Answer 19

hlavne n
vedlajsie l
megneticke m
spinove s

Question 20

objavitel protonu a kedy

Answer 20

ernest Rutherford
1918

Question 21

aky naboj ma proton

Answer 21

kladny

Question 22

objavitel neutronu a kedy

Answer 22

James Chaduick
1932

Question 23

objavitel elektronu plus kedy

Answer 23

Joseph J Thomson
1897

Question 24

ma neutron naboj

Answer 24

nie

Question 25

aka je hmotnost protonu

Answer 25

1,6729. 10 -27

Question 26

hmotmost neutronu

Answer 26

1,6749.10-27

Question 27

hmotnost elektronu

Answer 27

9,1091. 10-31