Correct

嘎噔

/ gá dēng /
Strokes

Example

As an Onomatope

crack; snap

1
Tīngdào
听到
zhège
这个
xiāoxi
消息
  
,
xīntóu
心头
dēng
嘎噔
zhèn
  

My heart missed a beat at the news.

2
巨大
de
zhòng
重力
dēng
xià
jīnshǔ
金属
gǎn
chéng
le
liǎng
duàn
  

The great weight snapped the metal bar in two.