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