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