Question

9 multiple answer 1 point
group -1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1period
1 h 2 he
2 li be 5 b 6 c 7 n 8 o 9 f 10 ne
3 na mg 13 al 14 si 15 p 16 s 17 cl 18 ar
4 k ca 21 sc 22 ti 23 v 24 cr 25 mn 26 fe 27 co 28 ni 29 cu 30 zn 31 ga 32 ge 33 as 34 se 35 br 36 kr
5 rb sr 39 y 40 zr 41 nb 42 mo 43 tc 44 ru 45 rh 46 pd 47 ag 48 cd 49 in 50 sn 51 sb 52 te 53 i 54 xe
6 cs ba 72 hf 73 ta 74 w 75 re 76 os 77 ir 78 pt 79 au 80 hg 81 tl 82 pb 83 bi 84 po 85 at 86 rn
7 fr ra 104 rf 105 db 106 sg 107 bh 108 hs 109 mt 110 ds 111 rg 112 cn 113 uut 114 fl 115 uup 116 lv 117 uus 118 uuo
lanthanides 57 la 58 ce 59 pr 60 nd 61 pm 62 sm 63 eu 64 gd 65 tb 66 dy 67 ho 68 er 69 tm 70 yb 71 lu
actinides 89 ac 90 th 91 pa 92 u 93 np 94 pu 95 am 96 cm 97 bk 98 cf 99 es 100 fm 101 md 102 no 103 lr
which of the following are metalloids? (choose all that apply.)
boron
antimony
tellurium
germanium

Explanation:

Step1: Recall metalloid elements

Metalloids are elements with properties between metals and non - metals. Common metalloids include boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te), and astatine (At).

Step2: Check each option

• Boron (B): It is a metalloid.
• Antimony (Sb): It is a metalloid.
• Tellurium (Te): It is a metalloid.
• Germanium (Ge): It is a metalloid.

Answer:

A. boron, B. antimony, C. tellurium, D. germanium