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