A) It is composed of electrons and neutrons B) It is composed of protons and neutrons C) It is composed of protons and electrons D) It is composed of protons only
A) + B) 0 C) -
A) have an equal number of electrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have neutrons in their nuclei.
A) cooking eggs B) digesting food C) breaking a pencil D) burning wood
A) Atomic Number B) Discovery Date C) Alphabetical Order D) Atomic Mass
A) Neutrons B) Protons C) Protons and Neutrons D) Valence Electrons
A) pH B) shape C) color D) density
A) eight neutrons in its nucleus. B) eight protons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) protons. B) neutrons. C) protons plus the number of neutrons. D) protons plus the number of electrons.
A) They are extremely nonreactive. B) They form negative ions with a -1 charge. 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) They form compounds with very bright colors. C) They are extremely rare in nature. D) a basically nonreactive.
A) exist in all three states of matter in normal conditions B) are nonreactive C) are all metals D) have only 1 valence electron
A) In the bottom rows. B) In the middle column of the periodic table. C) On the right side. D) On the left-most side.
A) number; mass B) mass;number C) location; ionization D) color; smell
A) 8 neutrons B) 12 neutrons C) 6 neutrons D) 3 neutrons
A) Halogens B) Noble Gases C) Alkaline Metals D) Alkaline Earth
A) Halogens B) Akali C) Noble Gases D) Alkaline Earth
A) Alkaline Earth B) Halogens C) Alkali D) Noble Gases
A) Alkaline Earth B) Noble Gases C) Alkali D) Halogens
A) 5 B) 3 C) 4 D) 2
A) metals B) metalloids C) nonmetals
A) Mendleev B) Mosely C) Einstein D) Ms. Watson
A) alphabetically B) According to atomic mass C) according to atomic number D) by date discovered
A) Atomic Mass B) Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) neutrons B) electrons C) nucleus D) protons
A) color B) pH C) reactivity D) flammability
A) shape B) texture C) density D) pH
A) burning B) crushing C) adding dye D) breaking
A) burning B) precipitate forming C) breaking D) rusting
A) only can be seen in a few elements B) can be observed with senses C) can only be observed by changing the substance D) vary within the same element
A) can be observes with the senses B) cn only be observed by changing the substance C) only can be observed in a few elements D) vary within the same element
A) physical B) chemical
A) physical B) chemical
A) it will float B) it will sink C) not enough information
A) meters B) second C) liters D) kelvin
A) grams B) meters C) kilograms D) hours
A) nethier accurate or precise B) both accurate and precise C) accurate D) precise
A) 1,000 B) 100 C) 1/100 D) 1/1,000
A) control B) independent C) dependent D) constant
A) fertilizer B) growth C) length of study D) strawberries
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x102 B) 9.470x10-2
A) 4.2x103 B) 4.2x10-3
A) 875,000 B) 0.0000875
A) 63,400 B) 0.00634
A) constant B) control C) independent D) dependent
A) graduated cylinder B) tongs C) beaker D) stirring rod
A) 10 B) 16 C) 13 D) 0
A) 35 B) 19 C) 18 D) 17
A) 14 B) 10 C) 12 D) 26
A) 2 B) 8 C) 18 D) 10
A) 5.7 amu B) 57 amu C) 115 amu D) 0.57 amu
A) 3 B) 1 C) 4 D) 2
A) 0.5 mol B) 2 mol C) 67.2 mol D) 89.6 mol
A) 5.8x1022 atoms B) 21.07 atoms C) 2.107x1024 atoms D) 1.72x1023 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Thomson B) Rutherford C) Dalton D) Bohr
A) Democritus B) Rutherford C) Chadwick D) Thomson
A) Bohr B) Rutherford C) Thomson D) Shrodinger and Heisenburg
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) Dalton B) Chadwick C) Bohr D) Rutherford
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) Electron number never changes. D) Electrons are positively charged.
A) positive charge B) larger mass C) smaller mass D) negative charge
A) electrons B) neutrons C) positrons D) protons
A) 0.33g/ml B) 72g/ml C) 3g/ml D) 1.33g/ml
A) 10.7g B) 16g C) 17.5g D) 0.094g |