WHS-Chem Test 3 - חִידוֹן
A) It is composed of protons and neutrons B) It is composed of protons and electrons C) It is composed of electrons and neutrons D) It is composed of protons only
A) 0 B) - C) +
A) have an equal number of charged and noncharged particles. B) have neutrons in their nuclei. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) cooking eggs B) burning wood C) breaking a pencil D) digesting food
A) Discovery Date B) Alphabetical Order C) Atomic Mass D) Atomic Number
A) Protons and Neutrons B) Valence Electrons C) Neutrons D) Protons
A) color B) pH C) density D) shape
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) protons plus the number of electrons. B) protons. C) neutrons. D) protons plus the number of neutrons.
A) They form negative ions with a -1 charge. B) They are extremely nonreactive. C) They are located in the left-most column of the periodic table. D) They are usually gases.
A) They are highly reactive with both metals and nonmetals. B) a basically nonreactive. C) They form compounds with very bright colors. D) They are extremely rare in nature.
A) are all metals B) exist in all three states of matter in normal conditions C) are nonreactive D) have only 1 valence electron
A) In the bottom rows. B) On the right side. C) In the middle column of the periodic table. D) On the left-most side.
A) mass;number B) color; smell C) location; ionization D) number; mass
A) 8 neutrons B) 6 neutrons C) 3 neutrons D) 12 neutrons
A) Alkaline Earth B) Alkali Metals C) Halogens D) Noble Gases
A) Akali B) Alkaline Earth C) Noble Gases D) Halogens
A) Noble Gases B) Alkali C) Halogens D) Alkaline Earth
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkali
A) 4 B) 5 C) 2 D) 3
A) nonmetals B) metalloids C) metals
A) Ms. Watson B) Mendleev C) Mosely D) Einstein
A) according to atomic number B) alphabetically C) by date discovered D) According to atomic mass
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number-Atomic Mass D) Atomic Number
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Mass
A) nucleus B) neutrons C) protons D) electrons
A) color B) flammability C) pH D) reactivity
A) breaking B) burning C) adding dye D) crushing
A) can be observed with senses B) only can be seen in a few elements C) vary within the same element D) can only be observed by changing the substance
A) cn only be observed by changing the substance B) can be observes with the senses C) only can be observed in a few elements D) vary within the same element
A) chemical B) physical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) hours B) meters C) grams D) kilograms
A) nethier accurate or precise B) precise C) accurate D) both accurate and precise
A) 100 B) 1/100 C) 1/1,000 D) 1,000
A) independent B) control C) dependent D) constant
A) length of study B) strawberries C) fertilizer D) growth
A) control B) dependent C) independent D) constant
A) graduated cylinder B) beaker C) tongs D) stirring rod
A) 16 B) 10 C) 0 D) 13
A) 35 B) 19 C) 18 D) 17
A) 12 B) 10 C) 26 D) 14
A) 2 B) 10 C) 8 D) 18
A) 5.7 amu B) 115 amu C) 0.57 amu D) 57 amu
A) 3 B) 4 C) 2 D) 1
A) Thomson B) Bohr C) Rutherford D) Dalton
A) Rutherford B) Chadwick C) Thomson D) Democritus
A) Rutherford B) Bohr C) Shrodinger and Heisenburg D) Thomson 
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Bohr B) Rutherford C) Chadwick D) Dalton
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electrons are positively charged. D) Electron number never changes.
A) larger mass B) negative charge C) smaller mass D) positive charge
A) neutrons B) positrons C) electrons D) protons
A) 1.33g/ml B) 3g/ml C) 0.33g/ml D) 72g/ml
A) 0.094g B) 17.5g C) 24g D) 10.7g |
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