Question

The ratio by mass of combining elements in aluminium fluoride is

(a) 1:3
(b) 9:19

(c) 3:7
(d) 1:2​

Answer 1

Explanation:

option (b) dear ❤❤

▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄

have a great day $<svg width="50" height="50" viewBox="0 0 200 200">\ \textless \ br /\ \textgreater \ \ \textless \ br /\ \textgreater \ <path fill="red" d="M92.71,7.27L92.71,7.27c-9.71-9.69-25.46-9.69-35.18,0L50,14.79l-7.54-7.52C32.75-2.42,17-2.42,7.29,7.27v0 c-9.71,9.69-9.71,25.41,0,35.1L50,85l42.71-42.63C102.43,32.68,102.43,16.96,92.71,7.27z"></path>\ \textless \ br /\ \textgreater \ \ \textless \ br /\ \textgreater \ <animateTransform \ \textless \ br /\ \textgreater \ attributeName="transform" \ \textless \ br /\ \textgreater \ type="scale" \ \textless \ br /\ \textgreater \ values="1; 1.5; 1.25; 1.5; 1.5; 1;" \ \textless \ br /\ \textgreater \ dur="1s" \ \textless \ br /\ \textgreater \ repeatCount="40"> \ \textless \ br /\ \textgreater \ </animateTransform>\ \textless \ br /\ \textgreater \ \ \textless \ br /\ \textgreater \ </svg>$laldillllllllll

$\huge\bf\underline\red{Good morning}\:$

▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀

$<marquee Scrollamount=600>❤itsalen❤$$<marquee Scrollamount=600>❤itsalen❤$$<marquee Scrollamount=600>❤itsalen❤$$<marquee Scrollamount=600>❤itsalen❤$$<marquee Scrollamount=600>❤itsalen❤$$<marquee Scrollamount=600>❤itsalen❤$

Answer 2

Answer:

9 : 19

Explanation:

Hope it is helpful for you