G8- English 2nd Quarter Exam Pls. redo the answer's key.
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Republic of the Philippines Nueva Ecija University of Science and Technology Fort Magsaysay Capus! Palayan City 2nd Quarter Test in Grade 8 Science Name:__________________________ Score:____________ Yr/Section:_________________ Yr/Section:______________________ _____ Date:_____________ Test I – "dentify #hat is being as$ed in the follo#ing stateents% &rite all your ans#ers on the blan$s provided on each ite% All forms of erasures are considered incorrect % (30 pts! '% (e discover discovered ed the subatoic subatoic partic particle le called called neutron% neutron% ))))))))) ))))))))))))) )))))))) ))))) ) *% These are are atos of an an eleent #ith #ith di+eren di+erentt nuber of of neutrons% neutrons% ))))))))))))))))) ))))))))))))))))) ,% (e discovered discovered the -nuclear -nuclear odel of the ato.% )))))))))))))) )))))))))))))))))))))) )))))))) /% (e proposed proposed that all all substances substances #ere #ere coposed coposed of 0re! air! air! #ater 1 earth earth in various proportions% ))))))))))))))))))) ))))))))))))))))))) 2% 3i4uids and gases are considered as ))))))))))))) ))))))))))))) because because of their their ability to 5o#% 6% 7 change change in the state state of atter atter of of a saple% saple% ))))))) ))))))))))) ))))) ) 8% 7n electron electron in an an outer shell shell of an ato that that can particip participate ate in foring foring cheical bonds #ith other atos% )))))))))))))) 9% 7 non:etalli non:etallic c eleent! eleent! such as arsenic arsenic!! that has soe soe of the cheical cheical properties of a etal% ;% Substances Substances that are are considered considered good good insulators% insulators% ))))))))) ))))))))))))) ))))) ) '<%Change in the state of atter #here li4uid substance turns solid% )))))))))))) ''%These are electrically charged particles% ))))))))))))))) '*%The sybol of the eleent tungsten in the periodic table% )))))))))))) )))))))))))) ',%Refers to the total nuber of protons and neutrons in the nucleus of an ato% ))))))))))))) ))))))))))))) '/%Coon ions that th at are found #ithin our bodies #hich aintain acid:base balance% )))))))))) '2%"n the developental history of the periodic table! he #as the one #ho developed groups of three eleents called triads% )))))))))))))))))) )))))))))))))))))) '6%This la# states that -#hen eleents are arranged in order of increasing atoic nuber! eleents #ith siilar properties appear at periodic intervals.% )))))))))))))))) )))))))))))))))) '8%The region #ithin an ato #here an electron #ould ost li$ely to be found% )))))))))))) '9%Refers to the nuber of protons=electrons protons=electrons in the ato of an eleent% ))))))))))))))))) ))))))))))))))))) ';%(e discovered the negatively charged particles called electron% ))))))))))))))) )))))))))))))))
*<%(e discovered the positively charged particles called proton% )))))))))))))))
T"ST II – Match the ites listed in #o$umn % to those given in #o$umn &% &rite only the letter of the correct ans#er on the space provided before each nuber% ('0 pts! #o$umn % ))))'% >inc ))))*% Magnesiu nervous syste )))),% Copper healing ))))/ Sodiu ))))2% "ron ))))6% Calciu ))))8% "odine contraction ))))9% @icarbonate etabolic functions ))));% Phosphate for #ater balance ))))'<% Potassiu coponent of 7TP
#o$umn & a% For foration of heoglobin b% For energy production and healthy c% Maintains noral taste and sell! helps in #ounds d% Present in thyroid horone e% E?tracellular ion! for blood bu+er f% Conduction of nerve ipulses and uscle g% Found in bones! has role in any h% Major cation inside cell! necessary i% @one and teeth foration! j% foration of bones and teeth! ipulse conduction in nerves and blood clotting
T"ST III – &rite the electronic con0guration of each of the follo#ing eleents listed belo# #ith their corresponding atoic nubers% (' pts! ' 3)Se (Se$enium! * 2 20#a (#a$cium! * 3 8+ (+,-.en! * ) 0Sn (Tin! * &a (&arium! –
T"ST I – Enuerate #hat is being as$ed in the follo#ing% (20 pts! a A':,B odern aterials in the 0eld of industry developed by cheists and cheical engineers 1 A/:8B applications of cheistry in the 0eld of agriculture c A9:'
-There is no beginning or end to your dreas or plans% 3ife is a journey fro oent to oent% 3ive each oent to the fullest.% Darth Catterall:(eart Prepared by D7