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