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