s1 Flashcards

(13 cards)

1
Q

s charakteristika

A

-neprechodné prvky
-kovy - okrem H

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2
Q

s charakteristika 2

A

nízka ionizačná energia,veľké atomové pomery(veľmi reak a kationy)

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3
Q

s1 charak

A

1.A -H
všeobecná elek konfigurácia ns1 (jedna sipka)

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4
Q

oxidačné číslo s1

A

zcyčajne 1 , ľahko tvoria katióny

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5
Q

vlastnosti s1(8)

A

-striebrolesklé kovy ,mäkké(nožom)
-malá hustot(plávaju na vode),nízka t top
-dobré vodiče
-v zlúčeninách prevažne ionove väzby
-vysoko reaktívne,samovznietitelne=>petrolej
-silné redukčné vlast
-s vodou reagujú búrlivo

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6
Q

najreaktivnejsi s+

A

Cs

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7
Q

plamenove skusky

A

li-cervena
na-zlta
K-fialova

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8
Q

zluceniny v prirode

A

pre vysoku reaktivitu sa v prirode nevyskytuju

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9
Q

NaCl

A

-chlorid sodny
-elektrolýzou taveniny sa vyrába Na , z vodného roztoku (soľanka)

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10
Q

NaCL fyziolog roztok

A

infuzie,rany,oci,sosovky

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11
Q

NaOH,KOH

A

hydroxid sodný , draselný
-najsilnejšie zásady
-silné žieraviny , leptave
hygroskopické-pohlcujú vzdušnú vlhkosť
-mydlo,liečiva,papier,čist odtokov

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12
Q

Na2CO3

A

-uhličitan sodný/sóda
-mdylo,sklo,zmakc vody

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13
Q
A
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